Cleanup .gitignore

Change-Id: I5c3e75a50bc950acf96bd2ce571b19fa31853c57
diff --git a/.gitignore b/.gitignore
index 0182e79..97e2fa7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,4 @@
-/target
 /.classpath
 /.idea
 /.project
-/.settings/org.maven.ide.eclipse.prefs
-/.settings/org.eclipse.m2e.core.prefs
+/.settings