pinetainer: tweak init.d and post-build scripts

board/pinetainer/post-build.sh

@@ -31,12 +31,6 @@ rm "${1:?}/etc/init.d/ninfod.sh" 2>/dev/null || true
 
 # Scripts in interpreted languages we can't run
 rm "${1:?}/usr/bin/stunnel3" 2>/dev/null || true
-rm "${1:?}/usr/bin/smime_keys" 2>/dev/null || true
-rm "${1:?}/usr/sbin/exigrep" 2>/dev/null || true
-rm "${1:?}/usr/sbin/eximstats" 2>/dev/null || true
-rm "${1:?}/usr/sbin/exipick" 2>/dev/null || true
-rm "${1:?}/usr/sbin/exiqgrep" 2>/dev/null || true
-rm "${1:?}/usr/sbin/exiqsumm" 2>/dev/null || true
 rm "${1:?}/etc/ssl/misc/tsget.pl" 2>/dev/null || true
 
 # Empty directories created by gnuplot

board/pinetainer/rootfs-overlay/etc/init.d/S00cgroups.sh

@@ -27,7 +27,7 @@ readonly MINIMUM_SYSTEM_IOPS_ALLOCATION=10
 # high memory pressure when only less than the 25% of this memory is available
 readonly MAXIMUM_SYSTEM_MEMORY=192M
 
-# Limit the maximum number of processes that processes in the system cgroup can spawn.
+# Limit the maximum number of processes that processes in the system cgroup can spawn
 readonly MAXIMUM_SYSTEM_PIDS=512
 
 # The file that represents high-level status information about the cgroups configuration
@@ -78,7 +78,7 @@ stop() {
 			echo "$pid" > "$CGROUP_HIERARCHY_MOUNTPOINT/cgroup.procs" || true
 		done && \
 		# Remove all children cgroups
-		find "$CGROUP_HIERARCHY_MOUNTPOINT"/* -type d -exec rm {} \; && \
+		find "$CGROUP_HIERARCHY_MOUNTPOINT"/* -type d -depth -exec rm {} \; && \
 		# Remove all the controllers. This also resets their configuration
 		shell_options_restore_cmds="$(set +o)" && \
 		set -f && \