Why _mac folder with some config files commits to git automatically from Android Studio

I am getting some auto generated commits to my git using android studio in mac and this was not happened in windows with Android studio(Which I was using earlier) Can anyone tell me why this happens and how to disable it?enter image description here

The commits starts with AI-2.3.2 its my android studio verion
below is my global gitconfig file

  • How do you release two versions of an app on the Market?
  • How To Stop Git-Bash command on windows
  • Download Android code for Contacts application
  • archive for required library could not be read or is not a valid ZIP file
  • Github - Commit error after renaming package in android application: LibGit2Sharp.LockedFileException: The index is locked
  • Android repo init - how to run non-interactively (or without name/email prompting)
  •     [core]
        excludesfile = /Users/User/.gitignore_global
    [difftool "sourcetree"]
        cmd = opendiff \"$LOCAL\" \"$REMOTE\"
        path = 
    [mergetool "sourcetree"]
        cmd = /Applications/SourceTree.app/Contents/Resources/opendiff-w.sh \"$LOCAL\" \"$REMOTE\" -ancestor \"$BASE\" -merge \"$MERGED\"
        trustExitCode = true
    [user]
        name = Test
        email = test@gmail.com
    [commit]
        template = /Users/User/.stCommitMsg
    

  • How to import and run project, in Android Studio 1.1, from Github?
  • jitpack.io failed to resolve github repo
  • “ Emulator did not appear to start; giving up”
  • How to enable Version Control window in android studio
  • Android studio git message: following untracked working tree files would be overwritten by merge, but not showing which files
  • “aapt” IOException error=2, No such file or directory" why can't I build my gradle on jenkins?
  • Git Baby is a git and github fan, let's start git clone.