opam/Makefile: remove uninstall target

It has become obsolote with opam version 2.

Author: Jan Rochel

Makefile

@@ -171,16 +171,6 @@ install: all META
 	cp $(LIBDIR)/$(PKG_NAME).server.cm* $(OCAMLFIND_DESTDIR)/$(PKG_NAME)/server
 	scripts/install.sh $(TEMPLATE_DIR) $(TEMPLATE_NAME)
 
-uninstall:
-	rm -rf $(OCAMLFIND_DESTDIR)/$(PKG_NAME)/client
-	rm -rf $(OCAMLFIND_DESTDIR)/$(PKG_NAME)/server
-	scripts/uninstall.sh $(TEMPLATE_NAME)
-	$(OCAMLFIND) remove $(PKG_NAME)
-
-reinstall:
-	$(MAKE) uninstall
-	$(MAKE) install
-
 ##----------------------------------------------------------------------
 ## Dependencies
 

opam

@@ -11,7 +11,6 @@ dev-repo: "git+https://github.com/ocsigen/ocsigen-start.git"
 license: "LGPL-2.1 with OCaml linking exception"
 build: [ make "-j%{jobs}%" ]
 install: [ make "install" ]
-remove: [ make "uninstall" ]
 depends: [
   "ocaml" {>= "4.06.1"}
   "pgocaml" {>= "3.1"}