pkgdev commit: drop historical repo fallback

If there are issues creating the historical repo, we'd rather it fail
loudly so the bug is more likely to be noticed and fixed.

Author: radhermit

src/pkgdev/scripts/pkgdev_commit.py

@@ -224,10 +224,6 @@ def __init__(self, options, changes):
     @change('M')
     def modify(self):
         """Generate summaries for modify actions."""
-        if self.old_repo is None:
-            # error initializing historical repo
-            return
-
         atom = next(iter(self.changes))
         self.old_repo.add_pkgs([atom])
         try:
@@ -335,10 +331,6 @@ def rename(self):
     def modify(self):
         """Generate summaries for modify actions."""
         if len(self.changes) == 1:
-            if self.old_repo is None:
-                # error initializing historical repo
-                return
-
             atom = next(iter(self.changes))
             self.old_repo.add_pkgs([atom])
             try: