Fix travis for older versions of node

Remove `npm install -g npm` from `.travis.yml` as it is updating to a version of npm that isn't compatible with older versions of node
node-saml · May 31, 2017 · a5411ac · a5411ac
1 parent c774802
commit a5411ac
Showing 1 changed file with 0 additions and 3 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -6,9 +6,6 @@ node_js:
   - "4.0"
   - "stable"
 
-before_install:
-  - npm install -g npm
-
 script:
   - npm test
   - ./node_modules/.bin/jshint lib