Removed an unnecessary if-statement.

Not sure if it had any purpose. Maybe to make it more clear?

Just a suggestion of something I noticed.
Merge pull request #1312 from DaanHaaz/patch-1

Removed an unnecessary if-statement.
Merge remote-tracking branch 'origin/dev'
Merge remote-tracking branch 'origin/dev'
Merge branch 'dev' of https://github.com/aressler38/phaser into dev
[ISSUE 1458] Allow BLOB urls when loading audio files