Revert "swapchain: Implement VK_KHR_surface_protected_capabilities"

In order to help the automerger get this everywhere, am reverting it
here, and then will land it in AOSP master (which will automerge here
again).

This reverts commit a9e06fd447e8ebf22b2dd025d6ee1aa3f93b2bc1.

Test: Manual Inspection
Bug: 221490496
Change-Id: I21dcc2ab87d34b2366d32d06b910c88400c5f70d
diff --git a/vulkan/libvulkan/driver.cpp b/vulkan/libvulkan/driver.cpp
index 60c0cb5..8cb1b21 100644
--- a/vulkan/libvulkan/driver.cpp
+++ b/vulkan/libvulkan/driver.cpp
@@ -632,7 +632,6 @@
         switch (ext_bit) {
             case ProcHook::KHR_android_surface:
             case ProcHook::KHR_surface:
-            case ProcHook::KHR_surface_protected_capabilities:
             case ProcHook::EXT_swapchain_colorspace:
             case ProcHook::KHR_get_surface_capabilities2:
             case ProcHook::GOOGLE_surfaceless_query:
@@ -712,7 +711,6 @@
             case ProcHook::KHR_external_fence_capabilities:
             case ProcHook::KHR_get_surface_capabilities2:
             case ProcHook::KHR_surface:
-            case ProcHook::KHR_surface_protected_capabilities:
             case ProcHook::EXT_debug_report:
             case ProcHook::EXT_swapchain_colorspace:
             case ProcHook::GOOGLE_surfaceless_query:
@@ -924,12 +922,8 @@
     uint32_t* pPropertyCount,
     VkExtensionProperties* pProperties) {
     std::vector<VkExtensionProperties> loader_extensions;
-    loader_extensions.push_back({
-        VK_KHR_SURFACE_EXTENSION_NAME,
-        VK_KHR_SURFACE_SPEC_VERSION});
     loader_extensions.push_back(
-        {VK_KHR_SURFACE_PROTECTED_CAPABILITIES_EXTENSION_NAME,
-         VK_KHR_SURFACE_PROTECTED_CAPABILITIES_SPEC_VERSION});
+        {VK_KHR_SURFACE_EXTENSION_NAME, VK_KHR_SURFACE_SPEC_VERSION});
     loader_extensions.push_back({
         VK_KHR_ANDROID_SURFACE_EXTENSION_NAME,
         VK_KHR_ANDROID_SURFACE_SPEC_VERSION});