Update .travis.yml

Author: paf31

.travis.yml

@@ -5,8 +5,7 @@ node_js:
 env:
   - PATH=$HOME/purescript:$PATH
 install:
-  - TAG=$(wget -q -O - https://github.com/purescript/purescript/releases/tag/v0.8.0-RC1 --server-response --max-redirect 0 2>&1 | sed -n -e 's/.*Location:.*tag\///p')
-  - wget -O $HOME/purescript.tar.gz https://github.com/purescript/purescript/releases/download/$TAG/linux64.tar.gz
+  - wget -O $HOME/purescript.tar.gz https://github.com/purescript/purescript/releases/download/v0.8.0-RC1/linux64.tar.gz
   - tar -xvf $HOME/purescript.tar.gz -C $HOME/
   - chmod a+x $HOME/purescript
   - npm install