Remove exclude filtering from test-jars

Remove the filtering from test jars so Maven works in the same way
as eclipse. Test jar filtering has now been setup on the CI server
to prevent them from being published.

Fixes gh-754

spring-boot/pom.xml

@@ -156,7 +156,6 @@
 			<scope>test</scope>
 		</dependency>
 	</dependencies>
-
 	<build>
 		<plugins>
 			<plugin>
@@ -167,13 +166,6 @@
 						<goals>
 							<goal>test-jar</goal>
 						</goals>
-						<configuration>
-							<excludes>
-								<exclude>**/*.properties</exclude>
-								<exclude>**/*.xml</exclude>
-								<exclude>**/*.yml</exclude>
-							</excludes>
-						</configuration>
 					</execution>
 				</executions>
 			</plugin>