chore: Updated nearbysearch parameters (#437)

Author: tranceraver

specification/parameters/places/type.yml

@@ -23,5 +23,4 @@ description: |
   <div class="note">Note: Adding both `keyword` and `type` with the same value (`keyword=cafe&type=cafe` or `keyword=parking&type=parking`) can yield `ZERO_RESULTS`.</div>
 schema:
   type: string
-required: true
 in: query