Revert "Added info about replacer function context"
Revert "Added info about replacer function context"

This reverts commit 7b760f2df3b9ffcfc2007152fc87f3c08519ca45.

nadeemkhan/emojify.js,tibic/emojify.js,lorensr/emojify.js,praveenscience/emojify.js,lorensr/emojify.js,he9qi/emojify.js,tibic/emojify.js,Ranks/emojify.js,nadeemkhan/emojify.js,wangjun/emojify.js,Ranks/emojify.js,ibrahimyu/emojify.js,wangjun/emojify.js,he9qi/emojify.js,praveenscience/emojify.js,ibrahimyu/emojify.js