Cleanup .gitignore file

Change-Id: I3d0b9598f02363018b9c2aed2bf66b2397b2c3f8
diff --git a/.gitignore b/.gitignore
index 560ddee..f79093d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,10 +1,4 @@
-target
-
 # IntelliJ
 *.iml
 *.ipr
 .idea
-
-# Maven Relase
-pom.xml.*
-release.properties