Remove travis github_pages deploy

Since it doesn't work at the moment and it takes a lot of time.

.travis.yml

@@ -21,9 +21,6 @@ script:
   - cargo build --verbose
   - cargo test --verbose
 
-after_success:
-  - bash ci/github_pages.sh
-
 before_deploy:
   - sh ci/before_deploy.sh
 
@@ -40,8 +37,8 @@ deploy:
 
 branches:
   only:
-    - "/^v\\d+\\.\\d+\\.\\d+.*$/"
     - master
+    - /^v\d+\.\d+\.\d+.*$/
 
 notifications:
   email:

ci/github_pages.sh

@@ -1,47 +0,0 @@
-#!/bin/bash
-# Deploys the `book-example` to GitHub Pages
-
-set -ex
-
-# Only run this on the master branch for stable
-if [ "$TRAVIS_PULL_REQUEST" != "false" ] || 
-   [ "$TRAVIS_BRANCH" != "master" ] ||
-   [ "$TRAVIS_RUST_VERSION" != "stable" ] ||
-   [ "$TARGET" != "x86_64-unknown-linux-gnu" ]; then
-   exit 0
-fi
-
-NC='\033[39m'
-CYAN='\033[36m'
-GREEN='\033[32m'
-
-rev=$(git rev-parse --short HEAD)
-
-echo -e "${CYAN}Running cargo doc${NC}"
-cargo doc > /dev/null
-
-echo -e "${CYAN}Running mdbook build${NC}"
-cargo run -- build book-example/
-
-echo -e "${CYAN}Copying book to target/doc${NC}"
-cp -R book-example/book/* target/doc/
-
-cd target/doc
-
-echo -e "${CYAN}Initializing Git${NC}"
-git init
-git config user.name "Michael Bryan"
-git config user.email "michaelfbryan@gmail.com"
-
-git remote add upstream "https://$GH_TOKEN@github.com/rust-lang-nursery/mdBook.git"
-git fetch upstream --quiet
-git reset upstream/gh-pages --quiet
-
-touch .
-
-echo -e "${CYAN}Pushing changes to gh-pages${NC}"
-git add -A . 
-git commit -m "rebuild pages at ${rev}" --quiet
-git push -q upstream HEAD:gh-pages --quiet
-
-echo -e "${GREEN}Deployed docs to GitHub Pages${NC}"