Remove orphaned npm-issue-3958-workaround dep.
Remove orphaned npm-issue-3958-workaround dep.

thejameskyle/grunt,Chhunlong/grunt,thecc4re/gruntjs,lkiarest/grunt,fscherwi/grunt,shama/grunt,r14r/fork_grunt_master,eelve/grunt,youmyyou/grunt,IveWong/grunt,yonglehou/grunt,JaKXz/grunt,pandeysoni/grunt,goodeggs/grunt,vladikoff/grunt,r14r-work/fork_grunt_master,paladox/grunt,ThiagoGarciaAlves/grunt,paulcbetts/grunt,q310550690/grunt,yuhualingfeng/grunt,coldrye-collaboration/grunt,felixgrey/grunt,arosa81/grunt,modulexcite/grunt,FeodorFitsner/grunt,zackexplosion/grunt,imjerrybao/grunt,yosiazwan/grunt,abraheem/grunt