Bug 1167560 - Don't pin the packages in doc.txt to specific versions
Bug 1167560 - Don't pin the packages in doc.txt to specific versions

Since otherwise we play tug of war with Read the Docs build process.
Instead let's allow them to update us as they see fit, but at the same
time retain a docs.txt that will work locally.

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