Fixing redeclaration of rest framework settings

Swagger had stopped working. Looks like it was caused by the REST_FRAMEWORK settings being declared two places in base.py. I moved them into one block.

gregsite/settings/base.py

@@ -103,7 +103,7 @@ REST_FRAMEWORK = {
         "rest_framework.throttling.AnonRateThrottle",
     ],
     "DEFAULT_THROTTLE_RATES": {
-        "anon": "100/day",
+        "anon": "10/minute",
     },
 }