PutHttpPassword: Squash apply methods

There is no need to have a second apply method that is not called
from anywhere.

Change-Id: I3773af3b5ef236dc5b8546749f23d4987482b503

gerrit-server/src/main/java/com/google/gerrit/server/account/PutHttpPassword.java

@@ -97,12 +97,8 @@ public class PutHttpPassword implements RestModifyView<AccountResource, Input> {
       permissionBackend.user(self).check(GlobalPermission.ADMINISTRATE_SERVER);
       newPassword = input.httpPassword;
     }
-    return apply(rsrc.getUser(), newPassword);
-  }
 
-  public Response<String> apply(IdentifiedUser user, String newPassword)
-      throws ResourceNotFoundException, ResourceConflictException, OrmException, IOException,
-          ConfigInvalidException {
+    IdentifiedUser user = rsrc.getUser();
     if (user.getUserName() == null) {
       throw new ResourceConflictException("username must be set");
     }