travis: remove unneeded deploy

.travis.yml

@@ -78,17 +78,6 @@ jobs:
         verbose: true
         on:
           branch: master
-      deploy:
-        provider: pages
-        local-dir: _book
-        skip-cleanup: true
-        github-token: ${GITHUB_OAUTH_TOKEN}
-        keep-history: false
-        target-branch: master
-        repo: okalachev/cl4wip
-        verbose: true
-        on:
-          branch: clever-4
     - stage: Annotate
       name: Auto-generate changelog
       language: python