Remove `_.isFunction` fallback test.
Remove `_.isFunction` fallback test.

PhiLhoSoft/lodash,af7/lodash,jzning-martian/lodash,justintung/lodash,Andrey-Pavlov/lodash,PhiLhoSoft/lodash,dgoncalves1/lodash,transGLUKator/lodash,schnerd/lodash,stewx/lodash,developer-prosenjit/lodash,lekkas/lodash,javiosyc/lodash,transGLUKator/lodash,lekkas/lodash,andersonaguiar/lodash,tejokumar/lodash,mshoaibraja/lodash,rtorr/lodash,mshoaibraja/lodash,developer-prosenjit/lodash,enng0227/lodash,jzning-martian/lodash,tgriesser/lodash,jshanson7/lodash,ricardohbin/lodash,AneesMohammed/lodash,tejokumar/lodash,r14r/fork_javascript_lodash,tonyonodi/lodash,prawnsalad/lodash,Droogans/lodash,AndBicScadMedia/lodash,stewx/lodash,tquetano-r7/lodash,justintung/lodash,BernhardRode/lodash,Andrey-Pavlov/lodash,xixilive/lodash,schnerd/lodash,youprofit/lodash,xiwc/lodash,leolin1229/lodash,IveWong/lodash,ajefremovs/lodash,zestia/lodash,tonyonodi/lodash,nsamarcos/lodash,tgriesser/lodash,AneesMohammed/lodash,shwaydogg/lodash,jasnell/lodash,transGLUKator/lodash,gutenye/lodash,timruffles/lodash,bnicart/lodash,nsamarcos/lodash,ajefremovs/lodash,hitesh97/lodash,mjosh954/lodash,prawnsalad/lodash,imjerrybao/lodash,rtorr/lodash,nbellowe/lodash,steelsojka/lodash,enng0227/lodash,woldie/lodash,r14r/fork_javascript_lodash,reggi/lodash,r14r/fork_javascript_lodash,bnicart/lodash,hitesh97/lodash,IveWong/lodash,Xotic750/lodash,af7/lodash,gutenye/lodash,therebelbeta/lodash,studiowangfei/lodash,IveWong/lodash,mjosh954/lodash,shwaydogg/lodash,hafeez-syed/lodash,msmorgan/lodash,javiosyc/lodash,tgriesser/lodash,ricardohbin/lodash,beaugunderson/lodash,leolin1229/lodash,samuelbeek/lodash,lzheng571/lodash,chrootsu/lodash,developer-prosenjit/lodash,jshanson7/lodash,Moykn/lodash,neouser99/lodash,joshuaprior/lodash,leolin1229/lodash,beaugunderson/lodash,BernhardRode/lodash,steelsojka/lodash,andersonaguiar/lodash,timruffles/lodash,jshanson7/lodash,MaxPRafferty/lodash,zhangguangyong/lodash,huyinghuan/lodash,af7/lodash,andersonaguiar/lodash,boneskull/lodash,Droogans/lodash,gutenye/lodash,PhiLhoSoft/lodash,reggi/lodash,youprofit/lodash,therebelbeta/lodash,Xotic750/lodash,r14r-work/fork_javascript_lodash,Moykn/lodash,zestia/lodash,zestia/lodash,krrg/lodash,felixshu/lodash,schnerd/lodash,AneesMohammed/lodash,AndBicScadMedia/lodash,jacwright/lodash,codydaig/lodash,imjerrybao/lodash,samuelbeek/lodash,naoina/lodash,huyinghuan/lodash,ajefremovs/lodash,javiosyc/lodash,greyhwndz/lodash,krahman/lodash,Lottid/lodash,Lottid/lodash,xixilive/lodash,studiowangfei/lodash,rtorr/lodash,naoina/lodash,mshoaibraja/lodash,reggi/lodash,enng0227/lodash,dgoncalves1/lodash,msmorgan/lodash,greyhwndz/lodash,phillipalexander/lodash,ricardohbin/lodash,shwaydogg/lodash,ror/lodash,studiowangfei/lodash,BernhardRode/lodash,rlugojr/lodash,lekoaf/lodash,polarbird/lodash,naoina/lodash,tquetano-r7/lodash,zhangguangyong/lodash,woldie/lodash,youprofit/lodash,benweet/lodash,chrootsu/lodash,r14r-work/fork_javascript_lodash,chrootsu/lodash,codydaig/lodash,prawnsalad/lodash,samuelbeek/lodash,lzheng571/lodash,rlugojr/lodash,joshuaprior/lodash,Andrey-Pavlov/lodash,xiwc/lodash,jzning-martian/lodash,Moykn/lodash,phillipalexander/lodash,felixshu/lodash,benweet/lodash,zhangguangyong/lodash,nsamarcos/lodash,krrg/lodash,MaxPRafferty/lodash,krrg/lodash,jasnell/lodash,joshuaprior/lodash,stewx/lodash,dgoncalves1/lodash,hafeez-syed/lodash,greyhwndz/lodash,jacwright/lodash,nbellowe/lodash,therebelbeta/lodash,timruffles/lodash,AndBicScadMedia/lodash,lekkas/lodash,nbellowe/lodash,bnicart/lodash,justintung/lodash,Xotic750/lodash,polarbird/lodash,imjerrybao/lodash,neouser99/lodash,tejokumar/lodash,lekoaf/lodash,codydaig/lodash,r14r-work/fork_javascript_lodash,krahman/lodash,MaxPRafferty/lodash,krahman/lodash,jasnell/lodash,boneskull/lodash,jacwright/lodash,polarbird/lodash,lekoaf/lodash,huyinghuan/lodash,ror/lodash,hitesh97/lodash,benweet/lodash,phillipalexander/lodash,tquetano-r7/lodash,lzheng571/lodash,felixshu/lodash,xiwc/lodash,Droogans/lodash,Lottid/lodash,woldie/lodash,mjosh954/lodash,ror/lodash,neouser99/lodash,xixilive/lodash,hafeez-syed/lodash