removing dynamodb local from examples (#1507)

Author: jdoherty

examples/powertools-examples-idempotency/pom.xml

@@ -83,12 +83,6 @@
             <version>5.9.3</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>com.amazonaws</groupId>
-            <artifactId>DynamoDBLocal</artifactId>
-            <version>1.22.0</version>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>com.amazonaws</groupId>
             <artifactId>aws-lambda-java-tests</artifactId>