Automatically prune remote branches when fetching
Automatically prune remote branches when fetching

* Removes the need to occasionally run `git remote prune`.
* Remove branches when fetching instead of deleting other branches.

https://trello.com/c/ePlghTll/249-configure-git-to-prune-on-fetch

venetucci/dotfiles,secteur0/dotfiles,ncepuwanghui/dotfiles,prabinv/dotfiles,ericeslinger/dotfiles,bibstha/dotfiles-1,ericeslinger/dotfiles,voanhduy1512/dotfiles,JahBrewski/dotfiles,reshleman/thoughtbot-dotfiles,bigbam505/dotfiles-work,SampleLiao/dotfiles,elijahkim/dotfiles,koerbcm/dotfiles,soon0009/thoughtbot-dotfiles,tsigo/dotfiles-thoughtbot,wizztjh/dotfiles,aliceyoung9/dotfiles,szewacheung/dotfiles,kkelleey/dotfiles,mmhmm/dotfiles,rotati/dotfiles,moofish32/dotfiles,jochambo/dotfiles,mynewsdesk/dotfiles,soon0009/thoughtbot-dotfiles,omarismail/dotfiles,bschmoker/dotfiles,zhublik/dotfiles,ncuesta/dotfiles,squidpunch/dotfiles,mynewsdesk/dotfiles,ransingh/dotfiles,maxschram/dotfiles,secoast00/dotfiles,dthyresson/dotfiles,bdvholmes/dotfiles,hobofan/dotfiles,ecnalyr/dotfiles,pol/dotfiles,plainspace/dotfiles-thoughtbot,poyu007/dotfiles,hobofan/dotfiles,pol/dotfiles,wizztjh/dotfiles,elijahkim/dotfiles,mspringfield/dotfiles,maxschram/dotfiles,moofish32/dotfiles,bdvholmes/dotfiles,ZloeSabo/dotfiles,bigbam505/dotfiles-work,danielnolan/dotfiles,venetucci/dotfiles,timgremore/dotfiles,boha/dotfiles,yeuem1vannam/dotfiles,alexbaldwin/dotfiles,donedgardo/dotfiles,ransingh/dotfiles,scalixte-mdsol/dotfiles,Jaicob/dotfiles,lannn/dotfiles,firmanm/dotfiles,rotati/dotfiles,omarismail/dotfiles,sutanto/dotfiles,ncepuwanghui/dotfiles,lannn/dotfiles,revgum/dotfiles,Jon-Long/dotfiles,mspringfield/dotfiles,EpionHealth/dotfiles,ransingh/dotfiles,reshleman/thoughtbot-dotfiles,firmanm/dotfiles,Danielpk/dotfiles,koerbcm/dotfiles,SampleLiao/dotfiles,plainspace/dotfiles-thoughtbot,clembradley/dotfiles,EpionHealth/dotfiles,koerbcm/dotfiles,Danielpk/dotfiles,Schultz/dotfiles,jaypal/dotfiles-1,ajkamel/dotfiles,MichaelHaffley/dotfiles,rruettimann/dotfiles,mmhmm/dotfiles,Thau/dotfiles,daino3/my_dotfiles,bulleric/dotfiles,tchiarato/dotfiles,ericeslinger/dotfiles,tyrelsouza/dotfiles,aliceyoung9/dotfiles,kkelleey/dotfiles,housegold/dotfiles,koerbcm/dotfiles,Schultz/dotfiles,garrettd714/dotfiles,granteagon/dotfiles-1,Jaicob/dotfiles,turino/dotfiles,vpfaulkner/dotfiles,krschultz/dotfiles,hythyt9898/dotfiles,ren/dotfiles,koerbcm/dotfiles,bibstha/dotfiles-1,Jiwoong/dotfiles,revgum/dotfiles,jochambo/dotfiles,vpfaulkner/dotfiles,rootulp/dotfiles,timgremore/dotfiles,ncuesta/dotfiles,denniszelada/dotfiles,hsavit1/dotfiles-1,ericeslinger/dotfiles,dainmiller/thoughtbot-dotfile-mods,granteagon/dotfiles-1,Jiwoong/dotfiles,secteur0/dotfiles,robkilby/dotfiles,housegold/dotfiles,ajkamel/dotfiles,astoellis/dotfiles,ren/dotfiles,poyu007/dotfiles,prabinv/dotfiles,tchiarato/dotfiles,agbodike/dotfiles,donedgardo/dotfiles,sillvan/dotfiles-2,scalixte-mdsol/dotfiles,squidpunch/dotfiles,dthyresson/dotfiles,yeuem1vannam/dotfiles,JahBrewski/dotfiles,denniszelada/dotfiles,ZloeSabo/dotfiles,boha/dotfiles,bulleric/dotfiles,astoellis/dotfiles,sillvan/dotfiles-2,zhublik/dotfiles,hythyt9898/dotfiles,sutanto/dotfiles,danielnolan/dotfiles,Thau/dotfiles,ericeslinger/dotfiles,voanhduy1512/dotfiles,tyrelsouza/dotfiles,dainmiller/thoughtbot-dotfile-mods,T1D/dotfiles,clembradley/dotfiles,Jon-Long/dotfiles,rootulp/dotfiles,garrettd714/dotfiles,bschmoker/dotfiles,MichaelHaffley/dotfiles,szewacheung/dotfiles,krschultz/dotfiles,housegold/dotfiles,YepengFan/dotfiles,agbodike/dotfiles,daino3/my_dotfiles,jaypal/dotfiles-1,YepengFan/dotfiles,rruettimann/dotfiles,toobulkeh/dotfiles,T1D/dotfiles,hsavit1/dotfiles-1