classic: Drop IsRunnableHelper

https://bugzilla.gnome.org/show_bug.cgi?id=701886

data/Makefile.am

@@ -36,7 +36,6 @@ gsettings_SCHEMAS = $(gsettings_in_files:.xml.in=.xml)
 
 %.desktop.in:%.desktop.in.in
 	$(AM_V_GEN) sed \
-		-e "s|\@libexecdir\@|$(libexecdir)|" \
 		-e "s|\@bindir\@|$(bindir)|" \
 		-e "s|\@VERSION\@|$(VERSION)|" \
 		$< > $@

data/gnome-classic.session.desktop.in.in

@@ -1,4 +1,3 @@
 [GNOME Session]
 _Name=GNOME Classic
 RequiredComponents=gnome-shell-classic;gnome-settings-daemon;nautilus-classic;
-IsRunnableHelper=@libexecdir@/gnome-session-check-accelerated