add angularjs 1.2.23 source directly to tests (perf)

package.json

@@ -26,8 +26,7 @@
     "coffee-script": "~1.8.0",
     "defs": "~0.6.2",
     "diff": "~1.0.8",
-    "find-line-column": "~0.5.2",
-    "angular": "~1.2.23"
+    "find-line-column": "~0.5.2"
   },
   "keywords": [
     "angular",

run-tests.js

@@ -171,8 +171,7 @@ run(function(src, options) {
 });
 
 console.log("testing performance");
-const ngPath = path.resolve(require.resolve("angular"), "../lib/angular.js");
-const ng1 = fs.readFileSync(ngPath);
+const ng1 = fs.readFileSync("tests/angular.js");
 const ng5 = ng1 + ng1 + ng1 + ng1 + ng1;
 (function () {
     const startTime = Date.now();