Make fast_gaussian_runner work on ubuntu again

Sandboxing was a bit good.

Change-Id: If077830c219ef48be47102549d4eb55246018098
diff --git a/y2020/vision/sift/fast_gaussian_runner.py b/y2020/vision/sift/fast_gaussian_runner.py
index 673c378..6faa9fc 100755
--- a/y2020/vision/sift/fast_gaussian_runner.py
+++ b/y2020/vision/sift/fast_gaussian_runner.py
@@ -25,10 +25,11 @@
   amd64_debian_sysroot = r.Rlocation('amd64_debian_sysroot/usr/lib/x86_64-linux-gnu/libc.so.6').rsplit('/', 4)[0]
   env = os.environ.copy()
   env['LD_LIBRARY_PATH'] = ':'.join([
-      amd64_debian_sysroot + '/lib/x86_64-linux-gnu',
-      amd64_debian_sysroot + '/lib',
-      amd64_debian_sysroot + '/usr/lib/x86_64-linux-gnu',
-      amd64_debian_sysroot + '/usr/lib',
+      # TODO(brian): Figure this out again.  It is a bit aggressive.
+      #amd64_debian_sysroot + '/lib/x86_64-linux-gnu',
+      #amd64_debian_sysroot + '/lib',
+      #amd64_debian_sysroot + '/usr/lib/x86_64-linux-gnu',
+      #amd64_debian_sysroot + '/usr/lib',
   ])
 
   all_header = [