chore: Don't run CI against lerna@next anymore.

Author: chriseppstein

.travis.yml

@@ -16,7 +16,7 @@ addons:
     chrome: stable
 
 before_install:
-  - npm install -g lerna@next yarn
+  - npm install -g lerna yarn
   - ./scripts/if-opticss-dev.sh ./scripts/checkout-opticss.sh ../opticss
   - ./scripts/if-opticss-dev.sh ./scripts/link-to-opticss.js --file ../opticss
 

CONTRIBUTING.md

@@ -13,7 +13,7 @@ Getting Started
 Install required global dependencies:
 
 ```
-$ npm install -g lerna@next yarn
+$ npm install -g lerna yarn
 ```
 
 Check out the code:

packages/@css-blocks/webpack/package.json

@@ -43,7 +43,6 @@
   },
   "devDependencies": {
     "@css-blocks/code-style": "^0.18.0",
-    "@css-blocks/core": "^0.17.0",
     "@types/convert-source-map": "^1.3.33",
     "@types/extract-text-webpack-plugin": "^2.1.0",
     "@types/glob": "^5.0.30",