Revert "firefox: XXX compatibility firefox-slapos"

This reverts commit ae819090ad2f572c1e4b83bfb7589a2f74f7a182.

component/firefox/buildout.cfg

@@ -40,16 +40,6 @@ script =
   ))
     os.fchmod(f.fileno(), 0o755)
 
-
-[firefox-compatbility-wrapper]
-# erp5testnode 0.45.2 expect a firefox binary to be in parts/firefox/firefox-slapos
-# install also an executable in this location for compatibility
-# XXX this breaks part isolation, because writes in parts/firefox/
-<= firefox
-location = ${buildout:parts-directory}/firefox/firefox-slapos
-depends-on = ${firefox:recipe}
-
-
 [firefox-install]
 recipe = slapos.recipe.build
 slapos_promise =