prune dependencies and add wrapper

component/headless-chromium/buildout.cfg

@@ -2,14 +2,13 @@
 extends =
 # Build dependencies: note that bash, bzip2, getconf, grep, tar, and xz are already in /bin and /usr/bin
 # TODO: I think findutils is only here to expose xargs, which is already in /usr/bin, so see if we can get away with not requiring it
+# If the Python version doesn't default to 2, it might be necessary to include Python 2 as a component and then prepend it to the PATH or some similar trick.
   ../coreutils/buildout.cfg
   ../curl/buildout.cfg
   ../depot_tools/buildout.cfg
   ../git/buildout.cfg
   ../gperf/buildout.cfg
   ../pkgconfig/buildout.cfg
-  ../python-2.7/buildout.cfg
-  ../python3/buildout.cfg
 # Runtime dependencies:
 # TODO: add fonts here once the build works
   ../fonts/buildout.cfg
@@ -81,7 +80,7 @@ make-binary =
 environment =
 # Possible foot-gun: if you specify PATH=...:$PATH, it will literally insert the string '$PATH' on your PATH; buildout won't do the expansion unless you use %(PATH)s
 # TODO: make sure it's appropriate for SlapOS components to depend on things in /bin, /usr/bin, etc.
-  PATH=${python2.7:location}/bin:${python3:location}/bin:${depot_tools:location}:${gperf:location}/bin:${pkgconfig:location}/bin:${coreutils:location}/bin:${git:location}/bin:${curl:location}/bin:%(PATH)s
+  PATH=${depot_tools:location}:${gperf:location}/bin:${pkgconfig:location}/bin:${coreutils:location}/bin:${git:location}/bin:${curl:location}/bin:%(PATH)s
 
 # A default font configuration to fall back on, same as the Firefox one.
 [default-font-config]