chromeos_version.sh: Changing version on trunk back to 40.

A release branch was created before it was ready.  We need to
remove the branch and then reset the versioning to build from
Chrome 40 instead of 41 on trunk.

BUG=None
TEST=None

Change-Id: I970b7b15507be6627f76f0202feb0b955cef52b3
diff --git a/chromeos/config/chromeos_version.sh b/chromeos/config/chromeos_version.sh
index 90d8a9c..233185a 100755
--- a/chromeos/config/chromeos_version.sh
+++ b/chromeos/config/chromeos_version.sh
@@ -45,7 +45,7 @@
 fi
 
 # Major version for Chrome.
-export CHROME_BRANCH=41
+export CHROME_BRANCH=40
 # Set CHROME values (Used for releases) to pass to chromeos-chrome-bin ebuild
 # URL to chrome archive
 export CHROME_BASE=