[gimp] pdb: remove an obsolete snippet from lib.pl

[Michael Natterer <mitch src gnome org>]

commit 1a8d30099405818e68ddfd5a149ad4b98c21698d
Author: Michael Natterer <mitch gimp org>
Date:   Tue Jul 30 12:16:04 2019 +0200

    pdb: remove an obsolete snippet from lib.pl

 pdb/lib.pl | 4 ----
 1 file changed, 4 deletions(-)
---
diff --git a/pdb/lib.pl b/pdb/lib.pl
index 58d7422836..845888edb6 100644
--- a/pdb/lib.pl
+++ b/pdb/lib.pl
@@ -293,10 +293,6 @@ CODE
                 my $desc = exists $_->{desc} ? $_->{desc} : "";
                my $arg = $arg_types{$type};
                my $var;
-           
-               if ($type =~ /boolean|enum|guide|sample_point/) {
-                   $type = 'int32';
-               }
 
                # The return value variable
                $var = "";