embed.fnc: Remove no longer used G flag

The purpose of this flag has been removed in the past few commits

Author: khwilliamson

embed.fnc

@@ -447,13 +447,6 @@
 :        flag even on a format function is if the format would generate error:
 :        format string argument is not a string type
 :
-:   'G'  Suppress empty PERL_ARGS_ASSERT_foo macro.  Normally such a macro is
-:        generated for all entries for functions 'foo' in this file.  The macro
-:        is empty unless regen/embed.pl deems that there should be assert()
-:        calls to verify the sanity of some or all of foo's arguments.
-:
-:          proto.h: An empty PERL_ARGS_ASSERT macro is not defined
-:
 :   'h'  Hide any documentation that would normally go into perlapi or
 :        perlintern. This is typically used when the documentation is actually
 :        in another pod. If you don't use the 'h', that documentation is

regen/embed.pl

@@ -123,11 +123,11 @@ sub generate_proto_h {
 
         my ($flags, $retval, $plain_func, $args, $assertions ) =
                         @{$embed}{qw(flags return_type name args assertions)};
-        if ($flags =~ / ( [^ AabCDdEefFGhIiMmNnOoPpRrSsTUuvWXx;] ) /xx) {
+        if ($flags =~ / ( [^ AabCDdEefFhIiMmNnOoPpRrSsTUuvWXx;] ) /xx) {
             die_at_end "flag $1 is not legal (for function $plain_func)";
         }
         my @nonnull;
-        my $args_assert_line = ( $flags !~ /[Gm]/ );
+        my $args_assert_line = ( $flags !~ /m/ );
         my $has_depth = ( $flags =~ /W/ );
         my $has_context = ( $flags !~ /T/ );
         my $never_returns = ( $flags =~ /r/ );