Label: Use pragma once & remove unused include

5 jobs from master in 9 minutes and 50 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #242570
amd64 debian
build-linux

00:02:36

passed #242571
win32
build-win32

00:02:41

passed #242572
win64
build-win64

00:02:47

 
  Unit Tests
passed #242573
amd64 debian
unit-tests-linux

00:02:13

 
  Functional Tests
passed #242574
amd64 debian
functional-tests-linux

00:02:12