Remove MPI interfaces when mpi.mod is broken

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# On branch #246-gfortran-mpich-mismatch-detection
# Changes to be committed:
#	modified:   src/tests/integration/dist_transpose/coarray_distributed_transpose.F90
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Author: zbeekman

src/tests/integration/dist_transpose/coarray_distributed_transpose.F90

@@ -41,11 +41,6 @@ module run_size
 #  else
      implicit none
      include 'mpif.h'
-     interface WALLTIME
-       function MPI_WTIME() result(res)
-         double precision :: res
-       end function
-    end interface WALLTIME
 #  endif
 #else
   implicit none