Merge pull request #7081 from msbrowning/pr/fixed-README

Removed text block from line 883 of README.

Author: jsquyres

README

@@ -874,9 +874,6 @@ Open MPI Extensions
   - affinity: Provides the OMPI_Affinity_str() a string indicating the
     resources which a process is bound. For more details, see its man
     page.
-  - cr: Provides routines to access to checkpoint restart routines.
-    See ompi/mpiext/cr/mpiext_cr_c.h for a listing of available
-    functions.
   - cuda: When the library is compiled with CUDA-aware support, it
     provides two things.  First, a macro
     MPIX_CUDA_AWARE_SUPPORT. Secondly, the function