Ticket #2127: updated file extension for "sh"

Removed spurious bash_userstuff from the regexp.

Signed-off-by: Yury V. Zaytsev <yury@shurup.com>

misc/syntax/Syntax

@@ -37,7 +37,7 @@ include diff.syntax
 file ..\*\\.lsm$ LSM\sFile
 include lsm.syntax
 
-file .\*(bash_completion|profile|\\.(sh|bash_login|bash_profile|bash_logout|bash_aliases|bash_exports|bash_history|bash_userstuff|bashrc|profile))$ Shell\sScript ^#!\s\*/(.\*/|usr/bin/env\s)([a-z]?|ba|pdk)sh
+file .\*(bash_completion|profile|\\.(sh|bash_login|bash_profile|bash_logout|bash_aliases|bash_exports|bash_history|bashrc|profile))$ Shell\sScript ^#!\s\*/(.\*/|usr/bin/env\s)([a-z]?|ba|pdk)sh
 include sh.syntax
 
 file ..\*\\.(pl|PL|pm|PM)$ Perl\sProgram ^#!.\*([\s/]perl|@PERL@)