fix(src): remove unused file

remove unused files like composer and consumer from the output of loader.

src/index.js

@@ -17,7 +17,7 @@ function quarkLoader(content) {
   postcss(plugins)
     .process(content, { from: undefined })
     .then(() => {
-      const main = path.resolve(__dirname, '../dist/main.css');
+      const main = path.resolve(__dirname, '../dist/quark-loader-output.css');
       fs.readFile(main, (err, source) => {
         if (err) {
           throw err;

src/plugins/postcss-module-composer.js

@@ -4,36 +4,26 @@ const postcss = require('postcss');
 const HashMap = require('hashmap');
 const { createModuleComposer, createModuleSelector, createModuleDeclaration } = require('./utils');
 
-const composerDist = path.resolve(__dirname, '../../dist/composer.css');
-const consumerDist = path.resolve(__dirname, '../../dist/consumer.css');
-const mainDist = path.resolve(__dirname, '../../dist/main.css');
-const composer = fs.createWriteStream(composerDist);
-const consumer = fs.createWriteStream(consumerDist);
+const mainDist = path.resolve(__dirname, '../../dist/quark-loader-output.css');
 const main = fs.createWriteStream(mainDist);
 module.exports = postcss.plugin('postcss-module-composer', () => (root) => {
   const hashmap = new HashMap();
   let composerString = '';
   let consumerString = '';
   root.walkRules((rule) => {
-    composer.write(`${rule.selector} {\n`);
     composerString += `${rule.selector} {\n`;
     rule.walkDecls((decl) => {
-      composer.write(createModuleComposer(decl.prop, decl.value));
       composerString += createModuleComposer(decl.prop, decl.value);
       hashmap.set(
         createModuleSelector(decl.prop, decl.value),
         createModuleDeclaration(decl.prop, decl.value),
       );
     });
-    composer.write('}\n');
     composerString += '}\n';
   });
   hashmap.forEach((value, key) => {
-    consumer.write(key);
     consumerString += key;
-    consumer.write(value);
     consumerString += value;
-    consumer.write('}\n');
     consumerString += '}\n';
   });
   const css = consumerString + composerString;