Removed unused config setting

Author: charles-cowart

qiita_client/plugin.py

@@ -379,6 +379,5 @@ def register_command(self, command):
 PUBLICATIONS = %s
 
 [oauth2]
-ROOTCA_CERT = %s
 CLIENT_ID = %s
 CLIENT_SECRET = %s"""

qiita_client/tests/test_plugin.py

@@ -146,8 +146,7 @@ def html_generator_func(a, b, c, d):
                      'PLUGIN_TYPE = artifact definition\n',
                      'PUBLICATIONS = \n',
                      '\n',
-                     '[oauth2]\n',
-                     'ROOTCA_CERT = \n']
+                     '[oauth2]\n']
         # We will test the last 2 lines independently since they're variable
         # in each test run
         self.assertEqual(conf[:-2], exp_lines)