-Removing hololens 1 remoting, which was the only way to use a hl1. It was deprecated in 4.26. Microsoft no longer sells the device.
#jira UEVR-1976
#review-14485874
#rb Joe.Conley
[CL 14494314 by Jeff Fisher in ue5-main branch]
Use the `bUseVRPreviewForPlayWorld` flag to determine if input sim should be enabled. This will use input sim in regular editor viewports, but also allow holographic remoting without having to disconnect the device.
Avoid restart requirement for toggling input simulation on and off. This requires that the engine subsystem is always created (only in editor). The IsInputSimulationEnabled or GetInputSimulationIfEnabled helper functions should be used to ensure the subsystem is only used when enabled.
(Submitted by Microsoft)
#jira UE-90411
#rb steve.smith
#ROBOMERGE-SOURCE: CL 12354679 in //UE4/Release-4.25/... via CL 12354698
#ROBOMERGE-BOT: RELEASE (Release-4.25Plus -> Main) (v671-12333473)
[CL 12354730 by steve smith in Main branch]
#JIRA: UE-77780
#RB: ryan.vance
#ROBOMERGE-SOURCE: CL 7886135 in //UE4/Release-4.23/...
#ROBOMERGE-BOT: RELEASE (Release-4.23 -> Main) (v389-7813075)
[CL 7886179 by jason bestimt in Main branch]
Merging //UE4/Partner-Microsoft-XR to Release-4.23 (//UE4/Release-4.23)
7658706 Add HL1 remoting adjacent to HL2 remoting
7662091 Move HL1 remoting binaries to Engine/Binaries/Win64 to successfully load after CL 7658706
#rb Jackson.Fields Ryan.Vance
#jira UE-75160
#ROBOMERGE-SOURCE: CL 7700306 in //UE4/Release-4.23/...
#ROBOMERGE-BOT: RELEASE (Release-4.23 -> Main) (v384-7690951)
[CL 7700317 by jeff fisher in Main branch]