Revert "Implemented generic-hand-select over OpenXR"

This reverts commit d1aab4b.

Reason for revert: To fix compile failures after crrev.com/c/2472913
See https://crbug.com/1138151

Original change's description:
> Implemented generic-hand-select over OpenXR
>
> Implemented generic-hand-select using the MSFT hand interaction
> extension.
>
> Change-Id: I25595dfcf05fd0e23fb7ee9484c333321746fa0e
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2469836
> Reviewed-by: Alexander Cooper <alcooper@chromium.org>
> Commit-Queue: Lachlan Ford <laford@microsoft.com>
> Cr-Commit-Position: refs/heads/master@{#817138}

TBR=rafael.cintron@microsoft.com,alcooper@chromium.org,laford@microsoft.com,phle@microsoft.com

Bug: 1138151
Change-Id: I33d1dcccf893b79e47738447b8c6c8ac01ae72f8
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2473081
Reviewed-by: Ben Pastene <bpastene@chromium.org>
Commit-Queue: Ben Pastene <bpastene@chromium.org>
Cr-Commit-Position: refs/heads/master@{#817251}

device/vr/openxr/openxr_interaction_profiles.h

@@ -28,8 +28,7 @@ enum class OpenXrInteractionProfileType {
   kHTCVive = 4,
   kSamsungOdyssey = 5,
   kHPReverbG2 = 6,
-  kHandSelect = 7,
-  kCount = 8,
+  kCount = 7,
 };
 
 enum class OpenXrButtonType {
@@ -95,7 +94,6 @@ struct OpenXrControllerInteractionProfile {
 // Valve index controller.
 // HTC vive controller
 // HP Reverb G2 controller
-// MSFT Hand Interaction
 // Declare OpenXR input profile bindings for other runtimes when they become
 // available.
 constexpr const char* kMicrosoftMotionInputProfiles[] = {
@@ -119,9 +117,6 @@ constexpr const char* kSamsungOdysseyInputProfiles[] = {
 constexpr const char* kHPReverbG2InputProfiles[] = {
     "hp-mixed-reality", "oculus-touch", "generic-trigger-squeeze"};
 
-constexpr const char* kGenericHandSelectInputProfile[] = {
-    "generic-hand-select"};
-
 constexpr OpenXrButtonPathMap kMicrosoftMotionControllerButtonPathMaps[] = {
     {OpenXrButtonType::kTrigger,
      {
@@ -279,12 +274,6 @@ constexpr OpenXrButtonPathMap kHPReverbG2RightControllerButtonPathMaps[] = {
      1},
 };
 
-constexpr OpenXrButtonPathMap kGenericHandSelectButtonPathMaps[] = {
-    {OpenXrButtonType::kTrigger,
-     {{OpenXrButtonActionType::kValue, "/input/select/value"}},
-     1},
-};
-
 constexpr OpenXrAxisPathMap kMicrosoftMotionControllerAxisPathMaps[] = {
     {OpenXrAxisType::kTrackpad, "/input/trackpad"},
     {OpenXrAxisType::kThumbstick, "/input/thumbstick"},
@@ -406,31 +395,12 @@ constexpr OpenXrControllerInteractionProfile kHPReverbG2InteractionProfile = {
     kHPReverbG2ControllerAxisPathMaps,
     base::size(kHPReverbG2ControllerAxisPathMaps)};
 
-constexpr OpenXrControllerInteractionProfile
-    kHandInteractionMSFTInteractionProfile = {
-        OpenXrInteractionProfileType::kHandSelect,
-        "/interaction_profiles/microsoft/hand_interaction",
-        XR_MSFT_HAND_INTERACTION_EXTENSION_NAME,
-        GamepadMapping::kNone,
-        kGenericHandSelectInputProfile,
-        base::size(kGenericHandSelectInputProfile),
-        kGenericHandSelectButtonPathMaps,
-        base::size(kGenericHandSelectButtonPathMaps),
-        kGenericHandSelectButtonPathMaps,
-        base::size(kGenericHandSelectButtonPathMaps),
-        nullptr,
-        0};
-
 constexpr OpenXrControllerInteractionProfile
     kOpenXrControllerInteractionProfiles[] = {
-        kMicrosoftMotionInteractionProfile,
-        kKHRSimpleInteractionProfile,
-        kOculusTouchInteractionProfile,
-        kValveIndexInteractionProfile,
-        kHTCViveInteractionProfile,
-        kSamsungOdysseyInteractionProfile,
-        kHPReverbG2InteractionProfile,
-        kHandInteractionMSFTInteractionProfile};
+        kMicrosoftMotionInteractionProfile, kKHRSimpleInteractionProfile,
+        kOculusTouchInteractionProfile,     kValveIndexInteractionProfile,
+        kHTCViveInteractionProfile,         kSamsungOdysseyInteractionProfile,
+        kHPReverbG2InteractionProfile};
 
 }  // namespace device
 

device/vr/openxr/openxr_util.cc

@@ -151,13 +151,6 @@ XrResult CreateInstance(XrInstance* instance) {
     extensions.push_back(kExtHPMixedRealityControllerExtensionName);
   }
 
-  const bool handInteractionExtensionSupported =
-      extension_enumeration.ExtensionSupported(
-          XR_MSFT_HAND_INTERACTION_EXTENSION_NAME);
-  if (handInteractionExtensionSupported) {
-    extensions.push_back(XR_MSFT_HAND_INTERACTION_EXTENSION_NAME);
-  }
-
   instance_create_info.enabledExtensionCount =
       static_cast<uint32_t>(extensions.size());
   instance_create_info.enabledExtensionNames = extensions.data();