chore: remove babel styled components plugin package

Signed-off-by: Mike Murray <[email protected]>

package.json

@@ -123,7 +123,6 @@
     "babel-loader": "~7.1.2",
     "babel-plugin-module-resolver": "~3.1.3",
     "babel-plugin-rewire-exports": "~1.0.1",
-    "babel-plugin-styled-components": "~1.10.0",
     "case-sensitive-paths-webpack-plugin": "~2.1.2",
     "chalk": "~1.1.3",
     "check-prop-types": "~1.1.2",
@@ -149,7 +148,6 @@
     "ignore-loader": "~0.1.2",
     "jest": "~24.1.0",
     "jest-junit": "~6.1.0",
-    "jest-styled-components": "~6.3.1",
     "object-assign": "~4.1.1",
     "postcss-flexbugs-fixes": "~3.2.0",
     "postcss-loader": "~2.0.8",

yarn.lock

@@ -2040,19 +2040,6 @@ babel-plugin-rewire-exports@~1.0.1:
   dependencies:
     "@babel/template" "7"
 
-babel-plugin-styled-components@~1.10.0:
-  version "1.10.6"
-  resolved "https://registry.yarnpkg.com/babel-plugin-styled-components/-/babel-plugin-styled-components-1.10.6.tgz#f8782953751115faf09a9f92431436912c34006b"
-  dependencies:
-    "@babel/helper-annotate-as-pure" "^7.0.0"
-    "@babel/helper-module-imports" "^7.0.0"
-    babel-plugin-syntax-jsx "^6.18.0"
-    lodash "^4.17.11"
-
-babel-plugin-syntax-jsx@^6.18.0:
-  version "6.18.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-syntax-jsx/-/babel-plugin-syntax-jsx-6.18.0.tgz#0af32a9a6e13ca7a3fd5069e62d7b0f58d0d8946"
-
 babel-plugin-syntax-object-rest-spread@^6.13.0:
   version "6.13.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-syntax-object-rest-spread/-/babel-plugin-syntax-object-rest-spread-6.13.0.tgz#fd6536f2bce13836ffa3a5458c4903a597bb3bf5"
@@ -3389,15 +3376,6 @@ [email protected]:
   version "2.1.3"
   resolved "https://registry.yarnpkg.com/css-what/-/css-what-2.1.3.tgz#a6d7604573365fe74686c3f311c56513d88285f2"
 
-css@^2.2.4:
-  version "2.2.4"
-  resolved "https://registry.yarnpkg.com/css/-/css-2.2.4.tgz#c646755c73971f2bba6a601e2cf2fd71b1298929"
-  dependencies:
-    inherits "^2.0.3"
-    source-map "^0.6.1"
-    source-map-resolve "^0.5.2"
-    urix "^0.1.0"
-
 cssesc@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/cssesc/-/cssesc-0.1.0.tgz#c814903e45623371a0477b40109aaafbeeaddbb4"
@@ -6748,12 +6726,6 @@ jest-snapshot@^24.8.0:
     pretty-format "^24.8.0"
     semver "^5.5.0"
 
-jest-styled-components@~6.3.1:
-  version "6.3.3"
-  resolved "https://registry.yarnpkg.com/jest-styled-components/-/jest-styled-components-6.3.3.tgz#e15bbda13a6b6ff876d6b783751fe9840860c52a"
-  dependencies:
-    css "^2.2.4"
-
 jest-util@^23.4.0:
   version "23.4.0"
   resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-23.4.0.tgz#4d063cb927baf0a23831ff61bec2cbbf49793561"
@@ -11285,7 +11257,7 @@ source-list-map@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/source-list-map/-/source-list-map-2.0.1.tgz#3993bd873bfc48479cca9ea3a547835c7c154b34"
 
-source-map-resolve@^0.5.0, source-map-resolve@^0.5.2:
+source-map-resolve@^0.5.0:
   version "0.5.2"
   resolved "https://registry.yarnpkg.com/source-map-resolve/-/source-map-resolve-0.5.2.tgz#72e2cc34095543e43b2c62b2c4c10d4a9054f259"
   dependencies: