Remove dropped patches
    
    Resolves: bz2041911
    Upstream: RHEL-only
    
    When updating makedumpfile to 1.7.0 the spec file was updated to no
    longer apply these patches without removing the actual patch files.
    Remove them now.
    
    Fixes: d77fd26 ("Update makedumpfile to 1.7.0")
    Signed-off-by: Philipp Rudo <prudo@redhat.com>