Issue apache#97 removing unused self reference

Author: Anis Kadri

lib/pbxFile.js

@@ -164,12 +164,11 @@ function defaultGroup(fileRef) {
 }
 
 function pbxFile(filepath, opt) {
-    var opt = opt || {},
-        self = this;
+    var opt = opt || {};
 
     this.basename = path.basename(filepath);
     this.lastKnownFileType = opt.lastKnownFileType || detectType(filepath);
-    this.group = detectGroup(self, opt);
+    this.group = detectGroup(this, opt);
 
     // for custom frameworks
     if (opt.customFramework == true) {
@@ -178,7 +177,7 @@ function pbxFile(filepath, opt) {
     }
 
     this.path = defaultPath(this, filepath).replace(/\\/g, '/');
-    this.fileEncoding = this.defaultEncoding = opt.defaultEncoding || defaultEncoding(self);
+    this.fileEncoding = this.defaultEncoding = opt.defaultEncoding || defaultEncoding(this);
 
     // When referencing products / build output files
     if (opt.explicitFileType) {
@@ -190,7 +189,7 @@ function pbxFile(filepath, opt) {
         delete this.defaultEncoding;
     }
 
-    this.sourceTree = opt.sourceTree || detectSourcetree(self);
+    this.sourceTree = opt.sourceTree || detectSourcetree(this);
     this.includeInIndex = 0;
 
     if (opt.weak && opt.weak === true)