Fix typo

Removed spurious colons.

Author: lucs

doc/Language/regexes.rakudoc

@@ -618,8 +618,8 @@ L<backtrack|/language/regexes#Backtracking>) shown below:
 =table
     Token    | Regex equivalent |   Description
     =========+=====================================
-    <ws>     |  <!ww> \s*:      | Word-separating whitespace (including zero, e.g. at EOF)
-    <ident>  |  <.alpha> \w*:   | Basic identifier (no support for ' or -).
+    <ws>     |  <!ww> \s*       | Word-separating whitespace (including zero, e.g. at EOF)
+    <ident>  |  <.alpha> \w*    | Basic identifier (no support for ' or -).
 
 =head2 X«Unicode properties|Regexes,<:property>»