revert: refactor: use a custom replacement build step instead of broccoli-replace

This reverts commit d5c528ac2b.

tools/broccoli/broccoli-replace.ts

@@ -1,56 +0,0 @@
-import fs = require('fs');
-import fse = require('fs-extra');
-import path = require('path');
-import {wrapDiffingPlugin, DiffingBroccoliPlugin, DiffResult} from './diffing-broccoli-plugin';
-
-var minimatch = require('minimatch');
-var exec = require('child_process').exec;
-
-var FILE_ENCODING = {encoding: 'utf-8'};
-
-/**
- * Intercepts each changed file and replaces its contents with
- * the associated changes.
- */
-class DiffingReplace implements DiffingBroccoliPlugin {
-  constructor(private inputPath, private cachePath, private options) {}
-
-  rebuild(treeDiff: DiffResult) {
-    var patterns = this.options.patterns;
-    var files = this.options.files;
-
-    treeDiff.changedPaths.forEach((changedFilePath) => {
-      var sourceFilePath = path.join(this.inputPath, changedFilePath)
-      var destFilePath = path.join(this.cachePath, changedFilePath);
-      var destDirPath = path.dirname(destFilePath);
-
-      if (!fs.existsSync(destDirPath)) {
-        fse.mkdirpSync(destDirPath);
-      }
-
-      var fileMatches = files.some((filePath) => minimatch(changedFilePath, filePath));
-      if (fileMatches) {
-        var content = fs.readFileSync(sourceFilePath, FILE_ENCODING);
-        patterns.forEach((pattern) => {
-          var replacement = pattern.replacement;
-          if (typeof replacement === 'function') {
-            replacement = function(content) {
-              return pattern.replacement(content, changedFilePath);
-            };
-          }
-          content = content.replace(pattern.match, replacement);
-        });
-        fs.writeFileSync(destFilePath, content, FILE_ENCODING);
-      } else {
-        fs.symlinkSync(sourceFilePath, destFilePath);
-      }
-    });
-
-    treeDiff.removedPaths.forEach((removedFilePath) => {
-      var destFilePath = path.join(this.cachePath, removedFilePath);
-      fs.unlinkSync(destFilePath);
-    });
-  }
-}
-
-export default wrapDiffingPlugin(DiffingReplace);