Change credential to return 'ssh_password' instead of 'password' when value is set to 'ASK'.

awx/main/models/ad_hoc_commands.py

@@ -113,14 +113,10 @@ class AdHocCommand(UnifiedJob):
     @property
     def passwords_needed_to_start(self):
         '''Return list of password field names needed to start the job.'''
-        needed = []
         if self.credential:
-            for pw in self.credential.passwords_needed:
-                if pw == 'password':
-                    needed.append('ssh_password')
-                else:
-                    needed.append(pw)
-        return needed
+            return self.credential.passwords_needed
+        else:
+            return []
 
     @classmethod
     def _get_parent_field_name(cls):