[releng] convert-to-tarballs: remove special-casing for m4-common

[Abderrahim Kitouni <akitouni src gnome org>]

commit 9dd4b29d7ce76ec7bec78e51665efb08767e0fda
Author: Abderrahim Kitouni <akitouni gnome org>
Date:   Wed Aug 21 22:59:32 2019 +0100

    convert-to-tarballs: remove special-casing for m4-common
    
    we no longer have it

 tools/smoketesting/convert-to-tarballs.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/tools/smoketesting/convert-to-tarballs.py b/tools/smoketesting/convert-to-tarballs.py
index 4959a10..03b750c 100755
--- a/tools/smoketesting/convert-to-tarballs.py
+++ b/tools/smoketesting/convert-to-tarballs.py
@@ -732,7 +732,7 @@ class ConvertToTarballs:
     def process_bst_files(self, directory):
         for root, dirs, files in os.walk(directory):
             for name in files:
-                if name.endswith(".bst") and name != 'm4-common.bst':
+                if name.endswith(".bst"):
                     self.process_one_file(root, name)
 
     def create_versions_file(self):