return to standard .gitignore

Author: chtompki

.gitignore

@@ -1,4 +1,5 @@
-# maven
+### https://raw.github.com/github/gitignore/f2ce448f2ba7a092da05482ceca99209127c0884/maven.gitignore
+
 target/
 pom.xml.tag
 pom.xml.releaseBackup
@@ -8,14 +9,8 @@ release.properties
 dependency-reduced-pom.xml
 buildNumber.properties
 .mvn/timing.properties
-!/.mvn/wrapper/maven-wrapper.jar
 
-# vscode/eclipse/idea
-*.iml
-.idea/
-.classpath
-.project
-.settings/
+# Exclude maven wrapper
+!/.mvn/wrapper/maven-wrapper.jar
 
-# other
 site-content