Remove old comment in run_tests.sh

The scope of this has expanded to run everything in ./tests

Change-Id: I640b0a8b7aa578ddd24dd3e58d5b2a1e09fe0284
diff --git a/run_tests.sh b/run_tests.sh
index c6b7da6..a9a3d0b 100755
--- a/run_tests.sh
+++ b/run_tests.sh
@@ -17,8 +17,6 @@
 PASSES=""
 FAILURES=""
 
-# Test that no one is trying to land crazy refs as branches
-
 for testfile in tests/test_*.sh; do
     $testfile
     if [[ $? -eq 0 ]]; then