Remove branch logic from deploy script

the branch logic lives in main.sh, so no need to check again

build/deploy.sh

@@ -2,12 +2,6 @@
 
 set -o errexit -o nounset
 
-if [ "$TRAVIS_BRANCH" != "master" ]
-then
-  echo "This commit was made against $TRAVIS_BRANCH and not master! No deploy!"
-  exit 0
-fi
-
 rev=$(git rev-parse --short HEAD)
 
 mkdir deploy