Remove fullcalendar from styles - its included via patterns-sass or webpack.

Author: thet

_sass/_patterns.scss

@@ -18,7 +18,6 @@
 @import "src/pat/auto-scale/auto-scale";
 @import "src/pat/auto-submit/auto-submit";
 @import "src/pat/bumper/bumper";
-@import "src/pat/calendar/calendar";
 @import "src/pat/carousel/carousel";
 @import "src/pat/checklist/checklist";
 @import "src/pat/collapsible/collapsible";