Revert "bugs: --api-key is now required"

This reverts commit bb724ed.

Per request from Arthur on IRC. parona reported it isn't working correctly
and doesn't handle the arg.

[This got lost before as I pushed on the gh side...]

Bug: #217
Signed-off-by: Sam James <sam@gentoo.org>

Author: thesamesam

src/pkgdev/scripts/argparsers.py

@@ -48,12 +48,11 @@ def _determine_git_repo(parser, namespace):
 
 class BugzillaApiKey:
     @classmethod
-    def mangle_argparser(cls, parser, required=False):
+    def mangle_argparser(cls, parser):
         parser.add_argument(
             "--api-key",
             metavar="TOKEN",
             help="Bugzilla API key",
-            required=required,
             docs="""
                 The Bugzilla API key to use for authentication. WARNING: using this
                 option will expose your API key to other users of the same system.

src/pkgdev/scripts/pkgdev_bugs.py

@@ -46,7 +46,7 @@
     quiet=False,
     parents=(cwd_repo_argparser,),
 )
-BugzillaApiKey.mangle_argparser(bugs, required=True)
+BugzillaApiKey.mangle_argparser(bugs)
 bugs.add_argument(
     "targets",
     metavar="target",