Regex

- Removed references to rc.regex in the man pages.

doc/man/task-faq.5.in

@@ -300,26 +300,6 @@ non-exact match:
 
 This will remove the second annotation - the first non-exact match.
 
-.TP
-.B Q: Does task support searching using regular expressions?
-Yes, taskwarrior supports IEEE Std 1003.2 (POSIX.2) regular expressions, but not
-by default.  You must enable this feature with the following command:
-
-    $ task config regex on
-
-Once enabled, all searches are considered regular expressions, for example:
-
-    $ task list ^the
-
-will list all tasks whose description or annotations start with "the".
-Substitutions also support regular expressions:
-
-    $ task 1 /^the/The/
-
-Note that regular expressions work in conjunction with the
-.B search.case.sensitive
-configuration setting.
-
 .TP
 .B Q: Why Lua as an extension language?
 Lua has many positive attributes:

doc/man/taskrc.5.in

@@ -269,15 +269,6 @@ names you have used, or just the ones used in active tasks.  The default value i
 May be yes or no, and determines whether keyword lookup and substitutions on the
 description and annotations are done in a case sensitive way.  Defaults to yes.
 
-.TP
-.B regex=on
-Enables regular expression searches in filters (task list ^Fix), and
-substitutions (task <id> /^the/The/).
-
-Note that this feature works in conjunction with the
-.B search.case.sensitive
-setting.
-
 The default value is off, because this advanced feature could cause confusion
 among users that are not comfortable with regular expressions.