[prone] Apply UnusedMethod

Author: Vincent Potucek

gradle/error-prone.gradle

@@ -13,21 +13,10 @@ tasks.withType(JavaCompile).configureEach {
 				'FormatStringConcatenation',
 				'FunctionalInterfaceMethodChanged',
 				'JavaxInjectOnAbstractMethod',
+				'MissingSummary',
 				'OverridesJavaxInjectableMethod',
 				'ReturnValueIgnored',
 				'Slf4jLogStatement',
-				'MissingSummary',
-				// patchable
-				'LexicographicalAnnotationAttributeListing',
-				'LexicographicalAnnotationListing',
-				'NonStaticImport',
-				'Slf4jLoggerDeclaration', // logger -> log
-				'StaticImport',
-				// critical, finds lots of bugs... unused configs and stuff.
-				'Unused',
-				'UnusedMethod',
-				'UnusedParameters',
-				'UnusedVariable',
 				)
 		error(
 				'AmbiguousJsonCreator',
@@ -53,10 +42,9 @@ tasks.withType(JavaCompile).configureEach {
 				'StringJoin',
 				'StringJoining',
 				)
-		// fixme bug: this only happens when the file is dirty!
-		// up2date checking (caching) must consider file changes, as file is currently corrupt!
-		// fix SelfTest.java:L22 ForbidGradleInternal(import org.gradle.api.internal.project.ProjectInternal;)
-		errorproneArgs.add('-XepExcludedPaths:.*/SelfTest.java')
+		// bug: this only happens when the file is dirty.
+		// might be an up2date (caching) issue, as file is currently in corrupt state.
+		errorproneArgs.add('-XepExcludedPaths:.*/SelfTest.java') // fix: SelfTest.java:L22 ForbidGradleInternal(import org.gradle.api.internal.project.ProjectInternal;)
 		if (!getenv().containsKey('CI') && getenv('IN_PLACE')?.toBoolean()) {
 			errorproneArgs.addAll(
 					'-XepPatchLocation:IN_PLACE',