build: reduce travis CI runtime by dropping optional bits
build: reduce travis CI runtime by dropping optional bits

We keep hitting failed builds due to runtime allocation
being exceeded, so drop some optional pieces to get the
time down.

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp