fixup! remove tracking of layout specifier of ancestors

Author: matheusaaguiar

libsolidity/analysis/TypeChecker.cpp

@@ -261,24 +261,6 @@ void TypeChecker::endVisit(ContractDefinition const& _contract)
 				),
 				"Storage layout can only be specified in the most derived contract."
 			);
-
-		if (
-			auto derivedContract = ancestorContract->annotation().derivedContractSpecifyingStorageLayout;
-			derivedContract && _contract.storageLayoutSpecifier()
-		)
-			m_errorReporter.typeError(
-				2031_error,
-				_contract.location(),
-				SecondarySourceLocation().append(
-					"Storage layout was also specified by another derived contract here.",
-					derivedContract->location()
-				),
-				"Conflicting storage layout specifications:"
-				"Storage layout for base contract \'" + ancestorContract->name() + "\' was also specified by another contract which derives from it."
-			);
-
-		if (_contract.storageLayoutSpecifier() && !m_errorReporter.hasErrors())
-			ancestorContract->annotation().derivedContractSpecifyingStorageLayout = &_contract;
 	}
 }
 

libsolidity/ast/ASTAnnotations.h

@@ -172,9 +172,6 @@ struct ContractDefinitionAnnotation: TypeDeclarationAnnotation, StructurallyDocu
 
 	// Per-contract map from function AST IDs to internal dispatch function IDs.
 	std::map<FunctionDefinition const*, uint64_t> internalFunctionIDs;
-
-	// Pointer to the most derived contract which specifies a custom storage layout
-	ContractDefinition const* derivedContractSpecifyingStorageLayout;
 };
 
 struct StorageLayoutSpecifierAnnotation: ASTAnnotation