Removed serbian translation #1948
                
     Merged
            
            
          
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I has not received any specific commits for the 3.0 branch apart from global edits and follow ups:
https://github.com/cakephp/docs/commits/3.0/sr
The only seemingly specific commits are actually commits that were initially posted towards 2.0:
#1056
Also the user "Aleksa-Savic", who posted those commits, has deleted his GitHub account as it seems.