Add AZ_BUDGET_DEFINE/AZ_BUDGET_DECLARE and remove driller

NOTE: The memory driller is still intact for now to avoid needing to
modify allocators, but the frame/cpu portions of driller and the
standalone executable are now gone.

Signed-off-by: Jeremy Ong <jcong@amazon.com>

Code/Framework/AzFramework/AzFramework/Visibility/EntityVisibilityBoundsUnionSystem.cpp

@@ -12,6 +12,8 @@
 #include <AzFramework/Visibility/BoundsBus.h>
 #include <cstring>
 
+AZ_DECLARE_BUDGET(AzFramework);
+
 namespace AzFramework
 {
     EntityVisibilityBoundsUnionSystem::EntityVisibilityBoundsUnionSystem()