Update dependency css-loader to v1 (#7081)

package.json

@@ -307,7 +307,7 @@
     "concurrently": "^4.1.0",
     "content-security-policy-parser": "^0.1.0",
     "cookie": "^0.3.1",
-    "css-loader": "^0.28.11",
+    "css-loader": "^1.0.0",
     "enzyme": "^3.6.0",
     "enzyme-adapter-react-16": "^1.5.0",
     "eslint": "^5.3.0",

webpack-common.js

@@ -54,7 +54,6 @@ export function getStyleRules({
             options: {
               importLoaders: 2,
               sourceMap: true,
-              minimize: true,
             },
           },
           {

yarn.lock

@@ -4847,7 +4847,7 @@ css-loader@^0.28.11:
     postcss-value-parser "^3.3.0"
     source-list-map "^2.0.0"
 
-css-loader@^1.0.1:
+css-loader@^1.0.0, css-loader@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-1.0.1.tgz#6885bb5233b35ec47b006057da01cc640b6b79fe"
   integrity sha512-+ZHAZm/yqvJ2kDtPne3uX0C+Vr3Zn5jFn2N4HywtS5ujwvsVkyg0VArEXpl3BgczDA8anieki1FIzhchX4yrDw==