Bug 1478995: Disable nodejs in source tasks; r=Callek

Differential Revision: https://phabricator.services.mozilla.com/D3988

--HG--
extra : source : 158ae9db750eda14c4a6653955e2932f46a38d7a
extra : amend_source : c35a7493fde3ae404edc436d7e37a25e1059025a
extra : intermediate-source : 125d36d0a59d1d5b50ed482027e7182d44e33f36

browser/config/mozconfigs/linux64/source

@@ -2,3 +2,4 @@
 # our script for generating it. This allows us to run configure without any
 # extra dependencies on specific toolchains, e.g. gtk3.
 ac_add_options --disable-compile-environment
+ac_add_options --disable-nodejs