Remove master branch warning on main README.md
Remove master branch warning on main README.md

bozzzzo/quark,datawire/datawire-connect,datawire/quark,bozzzzo/quark,datawire/quark,datawire/quark,datawire/quark,datawire/datawire-connect,datawire/datawire-connect,datawire/datawire-connect,datawire/quark,bozzzzo/quark,bozzzzo/quark,datawire/quark