Apply Surefire's defaults in starter-parent

Closes gh-9966

spring-boot-docs/src/main/asciidoc/using-spring-boot.adoc

@@ -61,7 +61,6 @@ defaults. The parent project provides the following features:
   `spring-boot-dependencies` POM.
 * Sensible https://maven.apache.org/plugins/maven-resources-plugin/examples/filter.html[resource filtering].
 * Sensible plugin configuration (http://www.mojohaus.org/exec-maven-plugin/[exec plugin],
-  http://maven.apache.org/surefire/maven-surefire-plugin/[surefire],
   https://github.com/ktoso/maven-git-commit-id-plugin[Git commit ID],
   http://maven.apache.org/plugins/maven-shade-plugin/[shade]).
 * Sensible resource filtering for `application.properties` and `application.yml` including

spring-boot-starters/spring-boot-starter-parent/pom.xml

@@ -94,19 +94,6 @@
 						</archive>
 					</configuration>
 				</plugin>
-				<plugin>
-					<groupId>org.apache.maven.plugins</groupId>
-					<artifactId>maven-surefire-plugin</artifactId>
-					<configuration>
-						<includes>
-							<include>**/*Tests.java</include>
-							<include>**/*Test.java</include>
-						</includes>
-						<excludes>
-							<exclude>**/Abstract*.java</exclude>
-						</excludes>
-					</configuration>
-				</plugin>
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-war-plugin</artifactId>