remove duplicates in gitignore

Author: Unpublished

.gitignore

@@ -40,17 +40,13 @@ tmp/**/*
 *.swp
 *~.nib
 *~
-local.properties
 project.properties
 proguard/
 .classpath
 .settings/
 .loadpath
 actionbarsherlock/build/
 dSploit/build/
-.gradle/
-.idea/workspace.xml
-
 # External tool builders
 .externalToolBuilders/