[RPM] Remove manual steps to install manpages as they are now installed via `make install`
[RPM] Remove manual steps to install manpages as they are now installed via `make install`

git-svn-id: 27e0aca8c7a52a9ae65dfba2e16879604119af8c@2459 93a4e39c-3214-0410-bb16-828d8e3bcd0f

fastly/ganglia,fastly/ganglia,fastly/ganglia,fastly/ganglia,fastly/ganglia