Removed the obsolete file setup.py.in for EXTRA_DIST.
Removed the obsolete file setup.py.in for EXTRA_DIST.

svn path=/trunk/; revision=5123

FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot