Remove the workaround for absolute paths from the gulp plugin

Author: ChadKillingsworth

lib/gulp/concat-to-json.js

@@ -48,8 +48,7 @@ module.exports = function(files) {
   var jsonFiles = [];
   for (var i = 0; i < files.length; i++) {
     jsonFiles.push(
-        json_file(files[i].contents.toString(),
-            '/' + path.relative(process.cwd(), files[i].path),
+        json_file(files[i].contents.toString(), files[i].relative || path.relative(process.cwd(), files[i].path),
             files[i].sourceMap ? JSON.stringify(files[i].sourceMap) : undefined));
   }
 

lib/gulp/index.js

@@ -196,11 +196,6 @@ module.exports = function(initOptions) {
 
         for (var i = 0; i < outputFiles.length; i++) {
           if (outputFiles[i].sourceMap) {
-            if (outputFiles[i].sourceMap.sources) {
-              outputFiles[i].sourceMap.sources = outputFiles[i].sourceMap.sources.map(function(sourcePath) {
-                return path.isAbsolute(sourcePath[0]) ? sourcePath.substr(1) : sourcePath;
-              });
-            }
             applySourceMap(outputFiles[i], outputFiles[i].sourceMap);
           }
           this.push(outputFiles[i]);