$wgResourceLoaderLESSVars is deprecated. Let's not use it anymore. Change-Id: If28ab6884668700bc46533c8e2c377f17e6be696 Depends-On: Ib9f843147db4473ce5590741e0fb490384b0007e Bug: T171365
The only usage is inside Minerva so we will move this module here. Change-Id: If6859f0c8f855c6b116b254c58a6814f54b7c36d