Replace insignificant backquotes

Replace insignificant backquotes

Replace most insignificant occurrences of '`' with a straight quote,
sharp quote or nothing.  This includes backquotes in 'pcase' patterns.

* admin/admin.el:
* lisp/apropos.el:
* lisp/arc-mode.el:
* lisp/auth-source.el:
* lisp/avoid.el:
* lisp/bindings.el:
* lisp/bs.el:
* lisp/calculator.el:
* lisp/calendar/todo-mode.el:
* lisp/cedet/semantic.el:
* lisp/cedet/semantic/analyze/debug.el:
* lisp/cedet/semantic/bovine.el:
* lisp/cedet/semantic/dep.el:
* lisp/cedet/semantic/grammar.el:
* lisp/cedet/semantic/wisent/comp.el:
* lisp/cedet/semantic/wisent/grammar.el:
* lisp/cedet/srecode/mode.el:
* lisp/cus-edit.el:
* lisp/doc-view.el:
* lisp/elec-pair.el:
* lisp/electric.el:
* lisp/emacs-lisp/autoload.el:
* lisp/emacs-lisp/benchmark.el:
* lisp/emacs-lisp/byte-opt.el:
* lisp/emacs-lisp/bytecomp.el:
* lisp/emacs-lisp/cconv.el:
* lisp/emacs-lisp/cl-extra.el:
* lisp/emacs-lisp/cl-generic.el:
* lisp/emacs-lisp/cl-macs.el:
* lisp/emacs-lisp/copyright.el:
* lisp/emacs-lisp/debug.el:
* lisp/emacs-lisp/eieio-compat.el:
* lisp/emacs-lisp/ert.el:
* lisp/emacs-lisp/generator.el:
* lisp/emacs-lisp/inline.el:
* lisp/emacs-lisp/macroexp.el:
* lisp/emacs-lisp/map.el:
* lisp/emacs-lisp/package-x.el:
* lisp/emacs-lisp/package.el:
* lisp/emacs-lisp/radix-tree.el:
* lisp/emacs-lisp/smie.el:
* lisp/epa.el:
* lisp/erc/erc-dcc.el:
* lisp/erc/erc-track.el:
* lisp/erc/erc.el:
* lisp/eshell/em-ls.el:
* lisp/eshell/esh-cmd.el:
* lisp/files.el:
* lisp/filesets.el:
* lisp/font-lock.el:
* lisp/frameset.el:
* lisp/gnus/gnus-agent.el:
* lisp/gnus/gnus-art.el:
* lisp/gnus/gnus-cite.el:
* lisp/gnus/gnus-group.el:
* lisp/gnus/gnus-msg.el:
* lisp/gnus/gnus-salt.el:
* lisp/gnus/gnus-srvr.el:
* lisp/gnus/gnus-sum.el:
* lisp/gnus/gnus-topic.el:
* lisp/gnus/gnus-util.el:
* lisp/gnus/gnus.el:
* lisp/gnus/message.el:
* lisp/gnus/mm-util.el:
* lisp/gnus/mml.el:
* lisp/gnus/nnheader.el:
* lisp/gnus/nnimap.el:
* lisp/gnus/nnmairix.el:
* lisp/gnus/spam.el:
* lisp/hexl.el:
* lisp/hi-lock.el:
* lisp/ibuf-ext.el:
* lisp/ibuffer.el:
* lisp/ido.el:
* lisp/info.el:
* lisp/international/mule-cmds.el:
* lisp/international/mule-util.el:
* lisp/json.el:
* lisp/jsonrpc.el:
* lisp/language/cyrillic.el:
* lisp/language/european.el:
* lisp/language/georgian.el:
* lisp/language/tibetan.el:
* lisp/language/utf-8-lang.el:
* lisp/language/vietnamese.el:
* lisp/ldefs-boot.el:
* lisp/mail/mail-extr.el:
* lisp/man.el:
* lisp/menu-bar.el:
* lisp/mh-e/mh-acros.el:
* lisp/mh-e/mh-folder.el:
* lisp/mh-e/mh-mime.el:
* lisp/mh-e/mh-show.el:
* lisp/mh-e/mh-speed.el:
* lisp/minibuffer.el:
* lisp/mpc.el:
* lisp/net/ange-ftp.el:
* lisp/net/hmac-def.el:
* lisp/net/newst-backend.el:
* lisp/net/quickurl.el:
* lisp/net/tramp-archive.el:
* lisp/net/tramp-compat.el:
* lisp/notifications.el:
* lisp/obsolete/pgg-parse.el:
* lisp/obsolete/vc-arch.el:
* lisp/obsolete/xesam.el:
* lisp/org/ob-C.el:
* lisp/org/ob-core.el:
* lisp/org/ob-exp.el:
* lisp/org/ob-groovy.el:
* lisp/org/ob-haskell.el:
* lisp/org/ob-io.el:
* lisp/org/ob-lisp.el:
* lisp/org/ob-lob.el:
* lisp/org/ob-lua.el:
* lisp/org/ob-octave.el:
* lisp/org/ob-perl.el:
* lisp/org/ob-python.el:
* lisp/org/ob-ref.el:
* lisp/org/ob-ruby.el:
* lisp/org/ob-sql.el:
* lisp/org/org-agenda.el:
* lisp/org/org-capture.el:
* lisp/org/org-clock.el:
* lisp/org/org-colview.el:
* lisp/org/org-duration.el:
* lisp/org/org-element.el:
* lisp/org/org-entities.el:
* lisp/org/org-gnus.el:
* lisp/org/org-indent.el:
* lisp/org/org-info.el:
* lisp/org/org-inlinetask.el:
* lisp/org/org-lint.el:
* lisp/org/org-list.el:
* lisp/org/org-mouse.el:
* lisp/org/org-plot.el:
* lisp/org/org-src.el:
* lisp/org/org-table.el:
* lisp/org/org.el:
* lisp/org/ox-ascii.el:
* lisp/org/ox-html.el:
* lisp/org/ox-latex.el:
* lisp/org/ox-man.el:
* lisp/org/ox-md.el:
* lisp/org/ox-org.el:
* lisp/org/ox-publish.el:
* lisp/org/ox-texinfo.el:
* lisp/org/ox.el:
* lisp/play/bubbles.el:
* lisp/play/gamegrid.el:
* lisp/progmodes/autoconf.el:
* lisp/progmodes/cc-defs.el:
* lisp/progmodes/cc-engine.el:
* lisp/progmodes/cc-fonts.el:
* lisp/progmodes/cc-langs.el:
* lisp/progmodes/cperl-mode.el:
* lisp/progmodes/ebrowse.el:
* lisp/progmodes/elisp-mode.el:
* lisp/progmodes/flymake-cc.el:
* lisp/progmodes/flymake.el:
* lisp/progmodes/fortran.el:
* lisp/progmodes/grep.el:
* lisp/progmodes/gud.el:
* lisp/progmodes/idlwave.el:
* lisp/progmodes/js.el:
* lisp/progmodes/m4-mode.el:
* lisp/progmodes/make-mode.el:
* lisp/progmodes/mixal-mode.el:
* lisp/progmodes/modula2.el:
* lisp/progmodes/octave.el:
* lisp/progmodes/opascal.el:
* lisp/progmodes/prolog.el:
* lisp/progmodes/ps-mode.el:
* lisp/progmodes/python.el:
* lisp/progmodes/ruby-mode.el:
* lisp/progmodes/sh-script.el:
* lisp/progmodes/sql.el:
* lisp/progmodes/verilog-mode.el:
* lisp/ps-mule.el:
* lisp/rtree.el:
* lisp/ruler-mode.el:
* lisp/ses.el:
* lisp/simple.el:
* lisp/startup.el:
* lisp/subr.el:
* lisp/term/ns-win.el:
* lisp/textmodes/bibtex.el:
* lisp/textmodes/conf-mode.el:
* lisp/textmodes/css-mode.el:
* lisp/textmodes/refill.el:
* lisp/textmodes/sgml-mode.el:
* lisp/textmodes/tex-mode.el:
* lisp/tutorial.el:
* lisp/url/url-dav.el:
* lisp/url/url-gw.el:
* lisp/url/url-http.el:
* lisp/url/url-methods.el:
* lisp/url/url-privacy.el:
* lisp/vc/cvs-status.el:
* lisp/vc/diff-mode.el:
* lisp/vc/ediff-init.el:
* lisp/vc/ediff-ptch.el:
* lisp/vc/log-edit.el:
* lisp/vc/log-view.el:
* lisp/vc/pcvs-info.el:
* lisp/vc/pcvs.el:
* lisp/vc/smerge-mode.el:
* lisp/vc/vc-git.el:
* lisp/vc/vc-hg.el:
* lisp/vc/vc-mtn.el:
* lisp/vc/vc-rcs.el:
* lisp/whitespace.el:
* lisp/window.el:
* test/lisp/electric-tests.el:
* test/lisp/emacs-lisp/cl-lib-tests.el:
* test/lisp/emacs-lisp/ert-tests.el:
* test/lisp/epg-tests.el:
* test/lisp/jsonrpc-tests.el:
* test/src/data-tests.el:
* test/src/json-tests.el: Replace most insignificant backquotes.