Remove black outlines on all labcoats

Created by: dylanstrategie

Because it looks terrible. Real-life labcoats don't have black outlines anywhere, they're nearly pearl white with barely grey "outlines"

Sample from new sprites :

This might blend in slightly with white tiles (although honestly this should be expected), but this is at the flipside of looking plain better in every single other situation

Dressed-up example :

Old :

New :

As you can see, I removed a really strange black outline on the sleeves, and the outline is still here, just blended in much better