Remove dead Fortran .m4 code.

This should have been part of r30151/#4057.  Oops.

cmr=v1.7.4:reviewer=dgoodell

This commit was SVN r30246.

The following SVN revision numbers were found above:
  r30151 --> open-mpi/ompi@52b5e17d97

config/ompi_fortran_check_bind_c_logical.m4

@@ -1,51 +0,0 @@
-dnl -*- shell-script -*-
-dnl
-dnl Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
-dnl                         University Research and Technology
-dnl                         Corporation.  All rights reserved.
-dnl Copyright (c) 2004-2005 The University of Tennessee and The University
-dnl                         of Tennessee Research Foundation.  All rights
-dnl                         reserved.
-dnl Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, 
-dnl                         University of Stuttgart.  All rights reserved.
-dnl Copyright (c) 2004-2005 The Regents of the University of California.
-dnl                         All rights reserved.
-dnl Copyright (c) 2010-2013 Cisco Systems, Inc.  All rights reserved.
-dnl $COPYRIGHT$
-dnl 
-dnl Additional copyrights may follow
-dnl 
-dnl $HEADER$
-dnl
-
-# Per https://svn.open-mpi.org/trac/ompi/ticket/3523 and
-# http://lists.mpi-forum.org/mpi-comments/2013/02/0076.php, the
-# Fortran compiler may not support default LOGICAL parameters with
-# BIND(C).  OMPI's F08 bindings currently require this.  
-#
-# So at least for the moment, test to see if the compiler allows
-# default LOGICAL parameters with BIND(C).
-
-# OMPI_FORTRAN_CHECK_BIND_C_LOGICAL([action if found], [action if not found])
-# ----------------------------------------------------
-AC_DEFUN([OMPI_FORTRAN_CHECK_BIND_C_LOGICAL],[
-    AS_VAR_PUSHDEF([bind_c_var], [ompi_cv_fortran_bind_c_likes_logical])
-
-    AC_CACHE_CHECK([if Fortran compiler supports BIND(C) with LOGICAL params], bind_c_var,
-       [AC_LANG_PUSH([Fortran])
-        AC_COMPILE_IFELSE([AC_LANG_SOURCE([[module bindc_logical
-   use, intrinsic :: iso_c_binding
-   interface
-       subroutine foo(flag) bind(c)
-           logical :: flag
-       end subroutine foo
-   end interface
-end module bindc_logical]])],
-             [AS_VAR_SET(bind_c_var, yes)],
-             [AS_VAR_SET(bind_c_var, no)])
-        AC_LANG_POP([Fortran])
-       ])
-
-    AS_VAR_IF(bind_c_var, [yes], [$1], [$2])
-    AS_VAR_POPDEF([bind_c_var])dnl
-])