deprecated warning for cli option --ca as well

fixes: #2182

cli/koji

@@ -168,6 +168,9 @@ def get_options():
         value = os.path.expanduser(getattr(options, name))
         setattr(options, name, value)
 
+    if options.ca:
+        koji.util.deprecated("--ca option is deprecated and will be removed in 1.24")
+
     # honor topdir
     if options.topdir:
         koji.BASEDIR = options.topdir

koji/__init__.py

@@ -1914,9 +1914,6 @@ def read_config(profile_name, user_config=None):
         else:
             result[name] = os.path.expanduser(result[name])
 
-    if result.get('ca'):
-        util.deprecated("--ca option is deprecated and will be removed in 1.24")
-
     return result