SWDEV-399623 - [ABI Break] Remove 'memoryType' from hipPointerAttribute_t

- To align with CUDA, 'memoryType' was deprecated & new member 'type' was added
 - Remove 'memoryType' and keep only 'type'

Change-Id: I6aef5cea117b1509a224b693ce373231b186a438

include/hip/hip_runtime_api.h

@@ -186,11 +186,7 @@ typedef enum hipMemoryType {
  * Pointer attributes
  */
 typedef struct hipPointerAttribute_t {
-  union {
-      // Deprecated, use instead type
-      enum hipMemoryType memoryType;
-      enum hipMemoryType type;
-    };
+    enum hipMemoryType type;
     int device;
     void* devicePointer;
     void* hostPointer;