removed empty stream from testing (#22637)

Author: darynaishchenko

airbyte-integrations/connectors/source-amplitude/integration_tests/streams_with_output_records_catalog.json

@@ -1,15 +1,5 @@
 {
   "streams": [
-    {
-      "stream": {
-        "name": "cohorts",
-        "json_schema": {},
-        "supported_sync_modes": ["full_refresh"],
-        "source_defined_primary_key": [["id"]]
-      },
-      "sync_mode": "full_refresh",
-      "destination_sync_mode": "overwrite"
-    },
     {
       "stream": {
         "name": "active_users",