KNC is effectively dead. Remove corresponding SCIF support in Open MPI. cherry pick of PR #5737 + news update Signed-off-by: Howard Pritchard <howardp@lanl.gov> (cherry picked from commit b9ac3d8931c38661132544d59be085a50df01420)
No review required. cmr=v1.7.4:reviewer=ompi-gk1.7 This commit was SVN r29810.
cmr=v1.7.4:reviewer=ompi-gk1.7 This commit was SVN r29625.
No review needed. cmr=v1.7.4:reviewer=ompi-rm1.7 This commit was SVN r29540.
