pcp2spark: coding style, cosmetics
pcp2spark: coding style, cosmetics

Minor internal tweaks to follow more closely common pcp2xxx coding
style and conventions, also drop a couple of unneeded variables.

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