Bug 1070470 - Remove duplicate jsonschema requirement
Bug 1070470 - Remove duplicate jsonschema requirement

|jsonschema==2.4.0| is already listed higher up in the file.

glenn124f/treeherder,KWierso/treeherder,gbrmachado/treeherder,jgraham/treeherder,avih/treeherder,rail/treeherder,deathping1994/treeherder,edmorley/treeherder,kapy2010/treeherder,adusca/treeherder,KWierso/treeherder,adusca/treeherder,sylvestre/treeherder,tojonmz/treeherder,parkouss/treeherder,wlach/treeherder,rail/treeherder,akhileshpillai/treeherder,akhileshpillai/treeherder,tojon/treeherder,KWierso/treeherder,jgraham/treeherder,avih/treeherder,moijes12/treeherder,tojon/treeherder,deathping1994/treeherder,vaishalitekale/treeherder,rail/treeherder,kapy2010/treeherder,glenn124f/treeherder,tojon/treeherder,KWierso/treeherder,rail/treeherder,moijes12/treeherder,deathping1994/treeherder,edmorley/treeherder,glenn124f/treeherder,sylvestre/treeherder,vaishalitekale/treeherder,adusca/treeherder,sylvestre/treeherder,akhileshpillai/treeherder,wlach/treeherder,glenn124f/treeherder,tojon/treeherder,wlach/treeherder,sylvestre/treeherder,parkouss/treeherder,sylvestre/treeherder,parkouss/treeherder,jgraham/treeherder,deathping1994/treeherder,deathping1994/treeherder,vaishalitekale/treeherder,tojonmz/treeherder,gbrmachado/treeherder,akhileshpillai/treeherder,glenn124f/treeherder,kapy2010/treeherder,gbrmachado/treeherder,wlach/treeherder,gbrmachado/treeherder,tojonmz/treeherder,tojonmz/treeherder,wlach/treeherder,tojonmz/treeherder,avih/treeherder,avih/treeherder,adusca/treeherder,akhileshpillai/treeherder,glenn124f/treeherder,gbrmachado/treeherder,vaishalitekale/treeherder,moijes12/treeherder,edmorley/treeherder,wlach/treeherder,jgraham/treeherder,moijes12/treeherder,adusca/treeherder,rail/treeherder,gbrmachado/treeherder,parkouss/treeherder,sylvestre/treeherder,akhileshpillai/treeherder,avih/treeherder,moijes12/treeherder,jgraham/treeherder,kapy2010/treeherder,deathping1994/treeherder,vaishalitekale/treeherder,rail/treeherder,moijes12/treeherder,edmorley/treeherder,adusca/treeherder,parkouss/treeherder,vaishalitekale/treeherder,avih/treeherder,kapy2010/treeherder,jgraham/treeherder,tojonmz/treeherder,parkouss/treeherder