removes enyo-fit from FloatingLayer for < IE11

Issue: ENYO-364
Enyo-DCO-1.1-Signed-off-by: Ryan Duffy (ryan.duffy@lge.com)
Merge pull request #895 from enyojs/ENYO-364-ryanjduffy

Fixes ENYO-364

Reviewed-By: Krishna Rangarajan (krishna.rangarajan@lge.com)
Integrated-By: Cole Davis (cole.davis@lge.com)