Fix documentation for testing stable-3.9

Documentation stated to run the tests
using the config java17 in the java17 section.

There is no such a configuration on bazelrc
and documentation now mentions to just use
`bazelisk test` without configuration to run
the tests with java17.

Bug: Issue 311436730
Release-Notes: skip
Change-Id: I8d4a4f88af3a3ad9a794f43a192d6874596b35ab
diff --git a/Documentation/dev-bazel.txt b/Documentation/dev-bazel.txt
index 21bdde0..e81120b 100644
--- a/Documentation/dev-bazel.txt
+++ b/Documentation/dev-bazel.txt
@@ -75,7 +75,7 @@
 To run the tests with Java 17, run:
 
 ```
-  $ bazelisk test --config=java17 //...
+  $ bazelisk test //...
 ```
 
 === Node.js and npm packages