Remove some useless `eval-when-compile`

Remove some useless `eval-when-compile`

* lisp/cedet/semantic/java.el (semantic-java-number-regexp):
* lisp/cedet/semantic/lex.el (semantic-lex-number-expression):
* lisp/emacs-lisp/cl-indent.el (common-lisp-indent-function-1):
* lisp/emacs-lisp/lisp-mode.el (lisp-imenu-generic-expression)
(lisp--el-match-keyword, lisp-string-in-doc-position-p):
* lisp/emacs-lisp/shorthands.el (shorthands-font-lock-shorthands):
* lisp/net/socks.el (socks-send-command):
* lisp/progmodes/meta-mode.el (meta-font-lock-keywords):
* lisp/shell.el (shell--parse-pcomplete-arguments):
* lisp/textmodes/sgml-mode.el (sgml-mode):
* lisp/textmodes/tex-mode.el (tex--guess-mode)
(tex-common-initialization, tex-input-files-re):
* lisp/textmodes/tildify.el (tildify-mode):
* lisp/xdg.el (xdg-line-regexp):
Eliminate `eval-when-compile` when the argument would be evaluated by
the compiler anyway.