bin/prepare: Strip off version requirements from package list
bin/prepare: Strip off version requirements from package list

For example

    db4-devel
    expat-devel >= 2.0.1-11
    findutils

becomes

    db4-devel
    expat-devel
    findutils

cherrybuild/cb-buildpack-rpm,packagelab/pl-buildpack-rpm,packagelab/pl-buildpack-rpm,cherrybuild/cb-buildpack-rpm