hgweb: remove unneeded escaping in gitweb/map and monoblue/map
Elements in map files work slightly different from regular python strings, so
escaping single quotes is not necessary. It is also demonstrated by the very
same lines: '(current diff)'.
I should've made this in
9e1f4c65f5f5, but here we go.
resolve: port to generic templater
Test output changes because color labels are applied separately.