Remove redundant member initialization

Change-Id: Id4eaf4392d2895d4d84ce9b436a0cd5b67eb888e
Signed-off-by: Dunajski, Bartosz <[email protected]>

Author: BartoszDunajski

runtime/os_interface/linux/drm_memory_manager.cpp

@@ -35,7 +35,6 @@ DrmMemoryManager::DrmMemoryManager(gemCloseWorkerMode mode,
                                    bool validateHostPtrMemory,
                                    ExecutionEnvironment &executionEnvironment) : MemoryManager(executionEnvironment),
                                                                                  drm(executionEnvironment.osInterface->get()->getDrm()),
-                                                                                 pinBB(nullptr),
                                                                                  forcePinEnabled(forcePinAllowed),
                                                                                  validateHostPtrMemory(validateHostPtrMemory) {
     supportsMultiStorageResources = false;