[Refactor] (P13 W3b): strip the push/legacy-memo guards from both backends

MobileGL/MG_Backend/DirectVulkan/BackendObject_DirectVulkan.cpp

@@ -433,7 +433,6 @@ namespace MobileGL::MG_Backend::DirectVulkan {
     void BackendObject_DirectVulkan::Initialize() {
 #if MOBILEGL_BUILD_DISAGGREGATED
         VkBufferManager::RegisterWireResourceOps();
-#if MOBILEGL_PIPE_PUSH
         // P7 wave 2 package C (CONTRACT-P7 §5.5). BESIDE the resource ops and for the same
         // reason: this is the one place both Magma server roles pass through - the inproc
         // role and the spawn/TCP session child - and ServerLoop::CreateBackend calls it at
@@ -441,7 +440,6 @@ namespace MobileGL::MG_Backend::DirectVulkan {
         // before any frontend object can die unheard. A per-transport install is how one of
         // the two roles ends up without it.
         InstallStateObjectDeathOps();
-#endif
 #endif
         m_initialized = true;
     }