Remove Prettier from the Stylelint config (#33)

Relies on pure Stylelint config based on the Bootstrap's config instead.

1. Removes Prettier dependency.
2. Restores single quote, what is our preference in general.
3. Breaks Prettier's leading zero preference: values like `0.5`
   must be .5 now; since the leading zero is optional,
   it's forced to remove it.
4. Breaks Prettier's no newline preference: multiline properties
   require new line after colon from now.

packages/stylelint-config-base/index.js

@@ -2,7 +2,6 @@ module.exports = {
   extends: [
     'stylelint-config-twbs-bootstrap/css',
     'stylelint-config-css-modules',
-    'stylelint-prettier/recommended',
   ],
   rules: {
     'at-rule-no-unknown': [true, { ignoreAtRules: ['extend'] }],
@@ -14,5 +13,6 @@ module.exports = {
       'always',
       { except: ['after-single-line-comment', 'first-nested'] },
     ],
+    'string-quotes': 'single',
   },
 }

packages/stylelint-config-base/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@oacore/stylelint-config-base",
   "version": "1.0.6",
-  "description": "Global stylelint configuration across our projects",
+  "description": "CORE style guide and standard for CSS",
   "author": "CORE Team <[email protected]>",
   "homepage": "https://github.com/oacore/configs#readme",
   "license": "MIT",
@@ -12,9 +12,7 @@
   },
   "dependencies": {
     "stylelint-config-css-modules": "^2.2.0",
-    "stylelint-config-prettier": "^8.0.1",
-    "stylelint-config-twbs-bootstrap": "^2.0.3",
-    "stylelint-prettier": "^1.1.2"
+    "stylelint-config-twbs-bootstrap": "^2.0.3"
   },
   "peerDependencies": {
     "stylelint": ">=13.6.0"