Remove `tasks` from readme
Remove `tasks` from readme

For some reason there was an extra header in there.
jkennedy1980/grunt-mocha,kmiyashiro/grunt-mocha,skohar/grunt-mocha,GruntBlanketMocha/grunt-blanket-mocha,ttrfwork/grunt-mocha,kmiyashiro/grunt-mocha,GruntBlanketMocha/grunt-blanket-mocha,skohar/grunt-mocha,ModelN/grunt-blanket-mocha,ModelN/grunt-blanket-mocha,scotthogan/grunt-mocha-phantom-istanbul,jkennedy1980/grunt-mocha,scotthogan/grunt-mocha-phantom-istanbul