Remove comment about compiling from source.

Commit fe188d6 changed this to use the binary package instead.

Closes #8700.

PiperOrigin-RevId: 259355057
diff --git a/site/docs/skylark/deploying.md b/site/docs/skylark/deploying.md
index a073733..904f3f9 100644
--- a/site/docs/skylark/deploying.md
+++ b/site/docs/skylark/deploying.md
@@ -226,11 +226,6 @@
   - bazel test //...
 ```
 
-Right now Bazel has to be compiled from source, as Travis does not support a
-version of GCC that works with the precompiled Bazel binaries. Thus, the
-`before_install` steps download the Bazel source, compile it, and "install" the
-Bazel binary in `/usr/bin`.
-
 If your repository is under the [bazelbuild organization](https://github.com/bazelbuild),
 contact the [bazel-dev](https://groups.google.com/forum/#!forum/bazel-dev) list
 to have it added to [ci.bazel.build](http://ci.bazel.build).