SWDEV-1 - Fix warnings when building with clang++

Change-Id: Idebd2b618b9a3360147984a0e33852dbe2e65818

rocclr/os/os_posix.cpp

@@ -812,7 +812,7 @@ bool Os::MemoryMapFile(const char* fname, const void** mmap_ptr, size_t* mmap_si
 }
 
 bool Os::MemoryMapFileTruncated(const char* fname, const void** mmap_ptr, size_t mmap_size) {
-  if ((mmap_ptr == nullptr)) {
+  if (mmap_ptr == nullptr) {
     return false;
   }
 

rocclr/platform/memory.cpp

@@ -702,7 +702,6 @@ void Image::initDeviceMemory() {
   deviceMemories_ = reinterpret_cast<DeviceMemory*>(reinterpret_cast<char*>(this) + sizeof(Image));
   memset(deviceMemories_, 0, NumDevicesWithP2P() * sizeof(DeviceMemory));
 }
-bool Image::create(void* initFrom) { return Memory::create(initFrom); }
 
 size_t Image::Format::getNumChannels() const {
   switch (image_channel_order) {

rocclr/platform/memory.hpp

@@ -584,10 +584,6 @@ class Image : public Memory {
 
   //! Sets the byte pitch obtained from HWL
   void setBytePitch(size_t bytePitch) { impl_.bp_ = bytePitch; }
-
-  //! Creates and initializes device (cache) memory for all devices
-  bool create(void* initFrom = NULL  //!< Pointer to the initialization data
-  );
 };
 
 //! SVM-related functionality.