CB-12643 : removed references to wp8

 This closes #539

Author: audreyso

cordova-lib/spec-cordova/metadata/wp8_parser.spec.js

@@ -143,7 +143,6 @@ describe('prepare command', function() {
                            'osx',
                            'android',
                            'ubuntu',
-                           'wp8',
                            'blackberry10',
                            'windows',
                            'webos',
@@ -156,7 +155,6 @@ describe('prepare command', function() {
                            path.join('/','some','path','platforms','osx','www'),
                            path.join('/','some','path','platforms','android','www'),
                            path.join('/','some','path','platforms','ubuntu','www'),
-                           path.join('/','some','path','platforms','wp8','www'),
                            path.join('/','some','path','platforms','blackberry10','www'),
                            path.join('/','some','path','platforms','windows','www'),
                            path.join('/','some','path','platforms','webos','www'),