Rename classpath runner package

Remove `runner` since we're no longer tied to JUnit 4.

See gh-17491

spring-boot-project/spring-boot-tools/spring-boot-test-support/src/main/java/org/springframework/boot/testsupport/classpath/ClassPathExclusions.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.testsupport.runner.classpath;
+package org.springframework.boot.testsupport.classpath;
 
 import java.io.File;
 import java.lang.annotation.Documented;

spring-boot-project/spring-boot-tools/spring-boot-test-support/src/main/java/org/springframework/boot/testsupport/classpath/ClassPathOverrides.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.testsupport.runner.classpath;
+package org.springframework.boot.testsupport.classpath;
 
 import java.lang.annotation.Documented;
 import java.lang.annotation.ElementType;

spring-boot-project/spring-boot-tools/spring-boot-test-support/src/main/java/org/springframework/boot/testsupport/classpath/ModifiedClassPathClassLoader.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.testsupport.runner.classpath;
+package org.springframework.boot.testsupport.classpath;
 
 import java.io.File;
 import java.lang.management.ManagementFactory;

spring-boot-project/spring-boot-tools/spring-boot-test-support/src/main/java/org/springframework/boot/testsupport/classpath/ModifiedClassPathExtension.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.testsupport.runner.classpath;
+package org.springframework.boot.testsupport.classpath;
 
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;

spring-boot-project/spring-boot-tools/spring-boot-test-support/src/main/java/org/springframework/boot/testsupport/classpath/package-info.java

@@ -17,4 +17,4 @@
 /**
  * Custom JUnit runner to change the classpath.
  */
-package org.springframework.boot.testsupport.runner.classpath;
+package org.springframework.boot.testsupport.classpath;

spring-boot-project/spring-boot-tools/spring-boot-test-support/src/main/java/org/springframework/boot/testsupport/runner/package-info.java

@@ -1,20 +0,0 @@
-/*
- * Copyright 2012-2017 the original author or authors.
- *
- * 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
- *
- *      https://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.
- */
-
-/**
- * Custom JUnit runners used in Spring Boot's own tests.
- */
-package org.springframework.boot.testsupport.runner;

spring-boot-project/spring-boot-tools/spring-boot-test-support/src/test/java/org/springframework/boot/testsupport/classpath/ModifiedClassPathExtensionExclusionsTests.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.testsupport.runner.classpath;
+package org.springframework.boot.testsupport.classpath;
 
 import org.hamcrest.Matcher;
 import org.junit.jupiter.api.Test;

spring-boot-project/spring-boot-tools/spring-boot-test-support/src/test/java/org/springframework/boot/testsupport/classpath/ModifiedClassPathExtensionOverridesTests.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.testsupport.runner.classpath;
+package org.springframework.boot.testsupport.classpath;
 
 import org.junit.jupiter.api.Test;