updated service level readme

Author: scmacdon

javav2/example_code/entityresolution/README.md

@@ -49,12 +49,12 @@ Code excerpts that show you how to call individual service functions.
 - [CreateMatchingWorkflow](src/main/java/com/example/entity/scenario/EntityResActions.java#L333)
 - [CreateSchemaMapping](src/main/java/com/example/entity/scenario/EntityResActions.java#L183)
 - [DeleteMatchingWorkflow](src/main/java/com/example/entity/scenario/EntityResActions.java#L159)
+- [DeleteSchemaMapping](src/main/java/com/example/entity/scenario/EntityResActions.java#L115)
 - [GetMatchingJob](src/main/java/com/example/entity/scenario/EntityResActions.java#L250)
 - [GetSchemaMapping](src/main/java/com/example/entity/scenario/EntityResActions.java#L223)
 - [ListSchemaMappings](src/main/java/com/example/entity/scenario/EntityResActions.java#L136)
 - [StartMatchingJob](src/main/java/com/example/entity/scenario/EntityResActions.java#L276)
 - [TagEntityResource](src/main/java/com/example/entity/scenario/EntityResActions.java#L413)
-- [entityresolution_DeleteSchemaMapping](src/main/java/com/example/entity/scenario/EntityResActions.java#L115)
 
 
 <!--custom.examples.start-->