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>

Gems/ExpressionEvaluation/Code/Source/ExpressionEvaluationSystemComponent.cpp

@@ -18,6 +18,8 @@
 #include <ExpressionPrimitivesSerializers.inl>
 #include <ElementInformationSerializer.inl>
 
+AZ_DEFINE_BUDGET(ExpressionEvaluation);
+
 namespace ExpressionEvaluation
 {
     namespace StructuralParsers