nfsroot: move to same sort order as block methods

There is no reason for this to be a 40nfsroot rather than 95nfs
once other network root handlers are added. Go ahead and move it.

diff --git a/modules.d/40nfsroot/60-nfsroot.rules b/modules.d/95nfs/60-nfsroot.rules
similarity index 100%
rename from modules.d/40nfsroot/60-nfsroot.rules
rename to modules.d/95nfs/60-nfsroot.rules

diff --git a/modules.d/40nfsroot/check b/modules.d/95nfs/check
similarity index 100%
rename from modules.d/40nfsroot/check
rename to modules.d/95nfs/check

diff --git a/modules.d/40nfsroot/install b/modules.d/95nfs/install
similarity index 100%
rename from modules.d/40nfsroot/install
rename to modules.d/95nfs/install

diff --git a/modules.d/40nfsroot/nfsroot b/modules.d/95nfs/nfsroot
similarity index 100%
rename from modules.d/40nfsroot/nfsroot
rename to modules.d/95nfs/nfsroot

diff --git a/modules.d/40nfsroot/nfsroot-cleanup.sh b/modules.d/95nfs/nfsroot-cleanup.sh
similarity index 100%
rename from modules.d/40nfsroot/nfsroot-cleanup.sh
rename to modules.d/95nfs/nfsroot-cleanup.sh