Fix a few stylistic issues in preparation for Checkstyle addition

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=230524735

java/google/registry/backup/RestoreCommitLogsAction.java

@@ -84,7 +84,7 @@ public class RestoreCommitLogsAction implements Runnable {
 
   @Override
   public void run() {
-    checkArgument( // safety
+    checkArgument(
         RegistryEnvironment.get() == RegistryEnvironment.ALPHA
             || RegistryEnvironment.get() == RegistryEnvironment.CRASH
             || RegistryEnvironment.get() == RegistryEnvironment.UNITTEST,

java/google/registry/keyring/KeyringModule.java

@@ -14,8 +14,8 @@
 
 package google.registry.keyring;
 
-
 import static com.google.common.base.Preconditions.checkState;
+
 import dagger.Module;
 import dagger.Provides;
 import google.registry.config.RegistryConfig.Config;

java/google/registry/request/auth/RequestAuthenticator.java

@@ -160,9 +160,8 @@ public class RequestAuthenticator {
     for (AuthMethod authMethod : auth.methods()) {
       switch (authMethod) {
         // App Engine internal authentication, using the queue name header
-        case INTERNAL:
-          // checkAuthConfig will have insured that the user policy is not USER.
-          {
+        case INTERNAL: {
+            // checkAuthConfig will have insured that the user policy is not USER.
             AuthResult authResult = appEngineInternalAuthenticationMechanism.authenticate(req);
             if (authResult.isAuthenticated()) {
               logger.atInfo().log("Authenticated via internal auth: %s", authResult);

java/google/registry/tools/RegistrarContactCommand.java

@@ -185,7 +185,7 @@ final class RegistrarContactCommand extends MutatingCommand {
       case CREATE:
         stageEntityChange(null, createContact(registrar));
         if ((visibleInDomainWhoisAsAbuse != null) && visibleInDomainWhoisAsAbuse) {
-          unsetOtherWhoisAbuseFlags(contacts, null /* emailAddressNotToChange */ );
+          unsetOtherWhoisAbuseFlags(contacts, null);
         }
         break;
       case UPDATE:

java/google/registry/tools/UpdateServerLocksCommand.java

@@ -51,7 +51,7 @@ final class UpdateServerLocksCommand extends MutatingEppToolCommand {
       names = {"-a", "--apply"},
       description = "Comma-delimited set of locks to apply (or 'all'). "
           + "Valid locks: serverDeleteProhibited, serverHold, serverRenewProhibited, "
-          + "serverTransferProhibited, serverUpdateProhibited" )
+          + "serverTransferProhibited, serverUpdateProhibited")
   private List<String> locksToApply = new ArrayList<>();
 
   @Parameter(

java/google/registry/tools/server/KillAllCommitLogsAction.java

@@ -57,7 +57,7 @@ public class KillAllCommitLogsAction implements Runnable {
 
   @Override
   public void run() {
-    checkArgument( // safety
+    checkArgument(
         RegistryEnvironment.get() == RegistryEnvironment.CRASH
             || RegistryEnvironment.get() == RegistryEnvironment.UNITTEST,
         "DO NOT RUN ANYWHERE ELSE EXCEPT CRASH OR TESTS.");

java/google/registry/tools/server/KillAllEppResourcesAction.java

@@ -53,7 +53,7 @@ public class KillAllEppResourcesAction implements Runnable {
 
   @Override
   public void run() {
-    checkArgument( // safety
+    checkArgument(
         RegistryEnvironment.get() == RegistryEnvironment.CRASH
             || RegistryEnvironment.get() == RegistryEnvironment.UNITTEST,
         "DO NOT RUN ANYWHERE ELSE EXCEPT CRASH OR TESTS.");