Remove modifiers 'public' and 'abstract' from interface methods

These modifiers are unnecessary (default for interface methods).

Change-Id: I5ad21dded21059922fb00449ba44e98037311ac4

gerrit-acceptance-framework/src/test/java/com/google/gerrit/acceptance/GerritConfigs.java

@@ -23,5 +23,5 @@ import java.lang.annotation.Target;
 @Target({METHOD})
 @Retention(RUNTIME)
 public @interface GerritConfigs {
-  public GerritConfig[] value();
+  GerritConfig[] value();
 }