Remove unused py2app target

Makefile

@@ -13,12 +13,6 @@ HOMEPAGE:=$(HOME)/public_html/$(LAPPNAME)-webpage.git
 DEBUILDDIR:=$(HOME)/projects/debian/official
 DEBORIGFILE:=$(DEBUILDDIR)/$(LAPPNAME)_$(VERSION).orig.tar.gz
 DEBPACKAGEDIR:=$(DEBUILDDIR)/$(LAPPNAME)-$(VERSION)
-PY2APPOPTS ?=
-ifeq ($(shell uname),Darwin)
-  CHMODMINUSMINUS:=
-else
-  CHMODMINUSMINUS:=--
-endif
 # Pytest options:
 # --resultlog: write test results in file
 # -s: do not capture stdout/stderr (some tests fail otherwise)
@@ -31,10 +25,6 @@ TESTOPTS=
 all:
 
 
-chmod:
-	-chmod -R a+rX,u+w,go-w $(CHMODMINUSMINUS) *
-	find . -type d -exec chmod 755 {} \;
-
 dist:
 	[ -d dist ] || mkdir dist
 	git archive --format=tar --prefix=$(LAPPNAME)-$(VERSION)/ HEAD | gzip -9 > dist/$(ARCHIVE_SOURCE)
@@ -88,10 +78,6 @@ releasecheck: test check
 	  echo "Could not release: edit $(LAPPNAME).freecode version"; false; \
 	fi
 
-app: clean chmod
-# Build OSX installer
-	$(PYTHON) setup.py py2app $(PY2APPOPTS)
-
 check:
 # The check programs used here are mostly local scripts on my private system.
 # So for other developers there is no need to execute this target.
@@ -150,4 +136,4 @@ changelog:
 	github-changelog $(DRYRUN) $(GITUSER) $(GITREPO) doc/changelog.txt
 
 .PHONY: changelog update-copyright deb test clean count pyflakes check app
-.PHONY: releasecheck release upload sign dist chmod all tag register
+.PHONY: releasecheck release upload sign dist all tag register