Remove from PR template (#6018)

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -46,7 +46,7 @@ body:
         - @agola11
 
         Tools / Toolkits
-        - @vowelparrot
+        - ...
 
       placeholder: "@Username ..."
 

.github/PULL_REQUEST_TEMPLATE.md

@@ -48,7 +48,7 @@ Tag maintainers/contributors who might be interested:
   - @agola11
 
   Agents / Tools / Toolkits
-  - @vowelparrot
+  - @hwchase17
 
   VectorStores / Retrievers / Memory
   - @dev2049