Makefile: add an uninstall rule

Author: chungy

Makefile

@@ -16,9 +16,13 @@ man: reflac.1
 reflac.1: reflac.adoc
 	$(ASCIIDOC) reflac.adoc
 
+clean:
+	rm -f reflac.1
+
 install: reflac.1
 	install -Dm 755 reflac "$(target)/bin/reflac"
 	install -Dm 644 reflac.1 "$(target)$(mandir)/man1/reflac.1"
 
-clean:
-	rm -f reflac.1
+uninstall:
+	$(RM) "$(target)/bin/reflac"
+	$(RM) "$(target)$(mandir)/man1/reflac.1"

NEWS.adoc

@@ -1,5 +1,9 @@
 = reflac project news
 
+HEAD::
+  * `Makefile` now has an `uninstall` rule, for those that aren’t
+    using a package manager to install this.
+
 2.0.1 (2021-08-16)::
   * Solve a minor edge-case: reflac will now find and recompress
     hidden files.