Rename parsed manifests from json to js

Custom IVs are naturally expressed as Uint8Arrays but our expected manifest format was json. Swap to plain JS so we don't have to do anything hacky for testing with custom IVs.

@@ -230,10 +230,10 @@ module.exports = function(grunt) {
         jsManifests += ',\n';
         jsManifests += ',\n';
       }
       }
 
 
-      if ((/\.json$/).test(abspath)) {
+      if ((/\.js$/).test(abspath)) {
 
 
-        // append the JSON
-        jsExpected += '  "' + basename(filename, '.json') + '": ' +
+        // append the expected parse
+        jsExpected += '  "' + basename(filename, '.js') + '": ' +
           grunt.file.read(abspath) + ',\n';
           grunt.file.read(abspath) + ',\n';
       }
       }
     });
     });

-var grunt = require('grunt'),
-    extname = require('path').extname;
-
-grunt.file.recurse(process.cwd(), function(path) {
-  var json;
-  if (extname(path) === '.json') {
-    json = grunt.file.readJSON(path);
-    if (json.totalDuration) {
-      delete json.totalDuration;
-      grunt.file.write(path, JSON.stringify(json, null, '  '));
-    }
-  }
-});