Move InvalidUserNameException to com.google.gerrit.server.account

Because that's the only package where it's used.

Change-Id: I2df2ac9f519131016cde03e277d3832524a02625

gerrit-common/src/main/java/com/google/gerrit/common/errors/InvalidUserNameException.java

@@ -1,29 +0,0 @@
-// Copyright (C) 2009 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package com.google.gerrit.common.errors;
-
-import com.google.gerrit.reviewdb.client.Account;
-
-/** Error indicating the SSH user name does not match {@link Account#USER_NAME_PATTERN} pattern. */
-public class InvalidUserNameException extends Exception {
-
-  private static final long serialVersionUID = 1L;
-
-  public static final String MESSAGE = "Invalid user name.";
-
-  public InvalidUserNameException() {
-    super(MESSAGE);
-  }
-}