Remove unnecessary type ignore comment

Author: troyswanson

examples/parameters/src/getting_started_single_ssm_parameter.py

@@ -7,7 +7,7 @@
 def lambda_handler(event: dict, context: LambdaContext) -> dict:
     try:
         # Retrieve a single parameter
-        endpoint_comments: str = parameters.get_parameter("/lambda-powertools/endpoint_comments")  # type: ignore[assignment] # noqa: E501
+        endpoint_comments = parameters.get_parameter("/lambda-powertools/endpoint_comments")
 
         # the value of this parameter is https://jsonplaceholder.typicode.com/comments/
         comments: requests.Response = requests.get(endpoint_comments)