Use rust-docs doc upload script

.travis.yml

@@ -18,4 +18,4 @@ script:
     - rustdoc --test README.md -L target
 
 after_success:
-    - .travis/travis-doc-upload.sh
+    - curl https://mvdnes.github.io/rust-docs/travis-doc-upload.sh | sh

.travis/travis-doc-upload.sh

@@ -1,42 +0,0 @@
-#!/bin/sh
-
-# License: CC0 1.0 Universal
-# https://creativecommons.org/publicdomain/zero/1.0/legalcode
-
-set -e
-
-SCRIPT_PATH=.travis
-
-. $SCRIPT_PATH/travis-doc-upload.cfg
-
-[ "$TRAVIS_BRANCH" = master ]
-
-[ "$TRAVIS_PULL_REQUEST" = false ]
-
-[ "$TRAVIS_RUST_VERSION" = "$DOC_RUST_VERSION" ]
-
-echo "Publishing docs..."
-
-eval key=\$encrypted_${SSH_KEY_TRAVIS_ID}_key
-eval iv=\$encrypted_${SSH_KEY_TRAVIS_ID}_iv
-
-mkdir -p ~/.ssh
-openssl aes-256-cbc -K $key -iv $iv -in $SCRIPT_PATH/id_rsa.enc -out ~/.ssh/id_rsa -d
-chmod 600 ~/.ssh/id_rsa
-
-git clone --branch gh-pages git@github.com:$DOCS_REPO deploy_docs
-
-cd deploy_docs
-git config user.name "doc upload bot"
-git config user.email "nobody@example.com"
-rm -rf $PROJECT_NAME
-mv ../target/doc $PROJECT_NAME
-git add -A $PROJECT_NAME
-git commit -qm "doc upload for $PROJECT_NAME ($TRAVIS_REPO_SLUG)"
-
-for i in {0..5}; do
-    git push -q origin gh-pages && break # redo when push fails
-    git pull -r || break # give up if rebase fails
-done
-
-echo "Doc upload completed"