Remove unnecessary explicit generic type declarations

They can be inferred correctly even in Java 7, and display as
compiler warnings in IntelliJ.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=173451087

java/google/registry/mapreduce/inputs/EppResourceEntityInput.java

@@ -37,6 +37,6 @@ class EppResourceEntityInput<R extends EppResource> extends EppResourceBaseInput
 
   @Override
   protected InputReader<R> bucketToReader(Key<EppResourceIndexBucket> bucketKey) {
-    return new EppResourceEntityReader<R>(bucketKey, resourceClasses);
+    return new EppResourceEntityReader<>(bucketKey, resourceClasses);
   }
 }