Only show the version info on =head1's

Author: lizmat

doc/Language/create-cli.pod6

@@ -288,7 +288,7 @@ the L<Getopt|https://modules.perl6.org/search/?q=getopt> modules available
 in the ecosystem.
 
 X<|ARGS-TO-CAPTURE>
-=head2 ARGS-TO-CAPTURE (2018.10, v6.d and later)
+=head2 ARGS-TO-CAPTURE
 
 The C<ARGS-TO-CAPTURE> subroutine should accept two parameters: a Callable
 representing the C<MAIN> unit to be executed (so it can be introspected if
@@ -312,7 +312,7 @@ the default command line arguments to C<Capture> processing, so you don't
 have to reinvent the whole wheel if you don't want to.
 
 X<|&*ARGS-TO-CAPTURE>
-=head2 &*ARGS-TO-CAPTURE (2018.10, v6.d and later)
+=head2 &*ARGS-TO-CAPTURE
 
 A dynamic variable available inside any custom C<ARGS-TO-CAPTURE> subroutine
 that can be used to perform the default argument parsing.  Takes the same
@@ -327,7 +327,7 @@ L<Getopt|https://modules.perl6.org/search/?q=getopt> modules available in the
 ecosystem.
 
 X<|GENERATE-USAGE>
-=head2 GENERATE-USAGE (2018.10, v6.d and later)
+=head2 GENERATE-USAGE
 
 The C<GENERATE-USAGE> subroutine should accept a Callable representing the
 C<MAIN> subroutine that didn't get executed because the dispatch failed.
@@ -357,7 +357,7 @@ the default usage message generation, so you don't have to reinvent the
 whole wheel if you don't want to.
 
 X<|&*GENERATE-USAGE>
-=head2 &*GENERATE-USAGE (2018.10, v6.d and later)
+=head2 &*GENERATE-USAGE
 
 A dynamic variable available inside any custom C<GENERATE-USAGE> subroutine
 that can be used to perform the default usage message creation.  Takes the