Cleanup allocation.

libsolidity/codegen/ir/IRGeneratorForStatements.h

@@ -124,10 +124,6 @@ private:
 		std::vector<ASTPointer<Expression const>> const& _arguments
 	);
 
-	/// @returns code that evaluates to the first unused memory slot (which does not have to
-	/// be empty).
-	static std::string freeMemory();
-
 	/// Generates the required conversion code and @returns an IRVariable referring to the value of @a _variable
 	/// converted to type @a _to.
 	IRVariable convert(IRVariable const& _variable, Type const& _to);