No longer ignore maven compiler plugin to avoid issues such as moving to

photon
https://bugs.eclipse.org/bugs/show_bug.cgi?id=536558

pom.xml

@@ -328,20 +328,6 @@ Sat4j is a full featured boolean reasoning library designed to bring state-of-th
 										<ignore />
 									</action>
 								</pluginExecution>
-								<pluginExecution>
-									<pluginExecutionFilter>
-										<groupId>org.apache.maven.plugins</groupId>
-										<artifactId>maven-compiler-plugin</artifactId>
-										<versionRange>[3.6.0,)</versionRange>
-										<goals>
-											<goal>compile</goal>
-											<goal>testCompile</goal>
-										</goals>
-									</pluginExecutionFilter>
-									<action>
-										<ignore />
-									</action>
-								</pluginExecution>
 							</pluginExecutions>
 						</lifecycleMappingMetadata>
 					</configuration>