feat: implement mjfilter file for templates (#1244)

* feat: implement mjfilter file for templates

Signed-off-by: Devin Buhl <devin@buhl.casa>

* fix: use data.get in mjfilters

Signed-off-by: Devin Buhl <devin@buhl.casa>

---------

Signed-off-by: Devin Buhl <devin@buhl.casa>

bootstrap/templates/kubernetes/k0s/resources/apply-system.sh.j2

@@ -1,4 +1,3 @@
-#% if bootstrap_distribution in ['k0s'] %#
 #!/usr/bin/env bash
 set -e
 set -o noglob
@@ -84,4 +83,3 @@ tee /etc/k0s/containerd.d/default.toml > /dev/null <<EOF
 [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
   discard_unpacked_layers = false
 EOF
-#% endif %#