ci: Drop outdated HDF5 Fortran compiler wrapper patch from Fedora jobs

Drop the patch step from commit 919de8785b (ci: Patch HDF5 Fortran
compiler wrappers in Fedora jobs, 2023-03-30, v3.27.0-rc1~242^2~1).
Fedora 42's HDF5 packages fixed the problem.

.gitlab/ci/env_fedora42_makefiles.sh

@@ -1,8 +1,3 @@
 if test "$CMAKE_CI_NIGHTLY" = "true"; then
   source .gitlab/ci/ispc-env.sh
 fi
-
-# Patch HDF5 Fortran compiler wrappers to work around Fedora bug.
-# https://bugzilla.redhat.com/show_bug.cgi?id=2183289
-sed -i '/^includedir=/ s|/mpich-x86_64||'   /usr/lib64/mpich/bin/h5pfc
-sed -i '/^includedir=/ s|/openmpi-x86_64||' /usr/lib64/openmpi/bin/h5pfc