Makefile: add uninstall target

Signed-off-by: Matt Van Horn <455140+mvanhorn@users.noreply.github.com>

Author: mvanhorn

Makefile

@@ -98,6 +98,7 @@ help:
 	@echo " * 'test' - Run basic unit testing."
 	@echo " * 'binaries' - Build nerdctl."
 	@echo " * 'install' - Install binaries to system locations."
+	@echo " * 'uninstall' - Remove installed binaries and documentation."
 	@echo " * 'clean' - Clean artifacts."
 
 ##########################
@@ -118,6 +119,14 @@ install:
 	install -D -m 644 -t $(DESTDIR)$(DOCDIR)/nerdctl $(MAKEFILE_DIR)/docs/*.md
 	$(call footer, $@)
 
+uninstall:
+	$(call title, $@)
+	rm -f $(DESTDIR)$(BINDIR)/$(BINARY)
+	rm -f $(DESTDIR)$(BINDIR)/containerd-rootless.sh
+	rm -f $(DESTDIR)$(BINDIR)/containerd-rootless-setuptool.sh
+	rm -rf $(DESTDIR)$(DOCDIR)/nerdctl
+	$(call footer, $@)
+
 clean:
 	$(call title, $@)
 	find . -name \*~ -delete
@@ -308,6 +317,7 @@ artifacts: clean
 	help \
 	binaries \
 	install \
+	uninstall \
 	clean \
 	lint-go lint-go-all lint-yaml lint-shell lint-commits lint-mod lint-licenses lint-licenses-all \
 	fix-go fix-go-all fix-mod \