Removed config.linux-RedHat, which was an old file that skoechle made for the...

Removed config.linux-RedHat, which was an old file that skoechle made for the original prog1 (before deet), and has not been used in years

git-svn-id: http://subversion.wr.usgs.gov/repos/prog/isis3/trunk@3181 41f8697f-d340-4b68-9986-7bafba869bb8