#1542 Lint fixes

package.json

@@ -69,7 +69,6 @@
     "babel-core": "7.0.0-bridge.0",
     "babel-jest": "^24.9.0",
     "babel-loader": "^8.0.4",
-    "color": "^3.1.2",
     "coveralls": "^3.0.2",
     "css-loader": "^2.0.1",
     "css-to-string-loader": "^0.1.3",

src/themes/theme-forest.js

@@ -1,5 +1,3 @@
-import { rgba } from 'khroma';
-
 class Theme {
   constructor() {
     /* Base vales */