chore(travis): on_success: never

Author: christopherthielen

.travis.yml

@@ -25,7 +25,7 @@ matrix:
   - env: CORE_BRANCH=master UPSTREAM_PKGS=@uirouter/core DOWNSTREAM=true
 notifications:
   slack:
-    on_success: change
+    on_success: never
     rooms:
       secure: Sm72V4Gep8uDeVy5QeQdKAybwwYXC8bLizvW3hnQ+MI9dJxEKBggBKGPeGAU70Pb93UGcE8c/kQzhh5wsJvC143eUXYXMO8g3sJ3gQImUQ317J6OcIEm4LLTwfVHLNM+2HDGcNrlrwMyFEYB7bhoSyqCCa2XELwCKYgRM2Kz7jlR7WJmcPhz++V1hIAW1yi0h4IxtLbhlF6tu6/PbW3jliMbTiePy1YqcihFvEQLWi9MddqbGP7Sde0qul5wgImZJIWWIuTC6ReeXlvD48uhhdiRSSQlB5egsYLHMUbhocOJKrwSk9vP2DAH4v36d3i0a2ySOQOP75i++XuU/ZfglFet5KAjcn2VYgVZyPXtIiTuc+nTSzuzGUPpPF0A1HNGkgGSzVJLSO1aOfIWgo5i/FxzilwUMmExku3is5Ljqi5+phlWQEaBkPllRVA6kJFGeIQWO6BAT+/XXwJVt+q7XiPCfp3ULgwsFLPzbJnXkn8nSCMcqfoCetGlJsNX+2gV4ZE8svES2yUOaXmnY9at0JFQkl/2MZLJZHpGCvAXtxtR9/vqDAe4sVpM/JwdlWvrie0bjiPMk2CK4AIhcUCFC7voIgnZdIlTgztOKC52tb3ZrjIK+BWfCQhemrce3bSCEPf4ApkAyo9HgE5uNmVm1dUiyS68KIZEvy7HloTCDR0=
 sudo: false