cmd-coreos-prune: Rename cmd-cloud-prune to cmd-coreos-prune

Rename cmd-cloud-prune to cmd-coreos-prune since it doesn't limit
the garbage collection to just cloud resources but rather all other
resources too.

Makefile

@@ -91,7 +91,7 @@ schema-check:
 	# Is the generated Go code synced with the schema?
 	grep -q "$(DIGEST)" pkg/builds/cosa_v1.go
 	grep -q "$(DIGEST)" pkg/builds/schema_doc.go
-	grep -q "$(DIGEST)" src/cmd-cloud-prune
+	grep -q "$(DIGEST)" src/cmd-coreos-prune
 
 install:
 	install -d $(DESTDIR)$(PREFIX)/lib/coreos-assembler

docs/cosa.md

@@ -65,7 +65,7 @@ Those less commonly used commands are listed here:
 | [oc-adm-release](https://github.com/coreos/coreos-assembler/blob/main/src/cmd-oc-adm-release) | Publish an oscontainer as the machine-os-content in an OpenShift release series
 | [offline-update](https://github.com/coreos/coreos-assembler/blob/main/src/cmd-offline-update) | Given a disk image and a coreos-assembler build, use supermin to update the disk image to the target OSTree commit "offline"
 | [prune](https://github.com/coreos/coreos-assembler/blob/main/src/cmd-prune) | This script removes previous builds. DO NOT USE on production pipelines
-| [cloud-prune](https://github.com/coreos/coreos-assembler/blob/main/src/cmd-cloud-prune) | Prune resources as sepcified in policy.yaml
+| [cloud-prune](https://github.com/coreos/coreos-assembler/blob/main/src/cmd-coreos-prune) | Prune resources as sepcified in policy.yaml
 | [sign](https://github.com/coreos/coreos-assembler/blob/main/src/cmd-sign) | Implements signing with RoboSignatory via fedora-messaging
 | [supermin-shell](https://github.com/coreos/coreos-assembler/blob/main/src/cmd-supermin-shell) | Get a supermin shell
 | [tag](https://github.com/coreos/coreos-assembler/blob/main/src/cmd-tag) | Operate on the tags in `builds.json`