Do not generate the following schemas as they are from iso-10303-detached-docs

[ronaldtse]

From https://github.com/metanorma/iso-10303-srl/issues/70

Due to https://github.com/metanorma/iso-10303-srl/issues/66.

Do not generate these under schemas/* (stepmod-utils)

schemas/resources/ISO13584_generic_expressions_schema/ISO13584_generic_expressions_schema.exp
schemas/resources/assembly_constraint_schema/assembly_constraint_schema.exp
schemas/resources/assembly_feature_relationship_schema/assembly_feature_relationship_schema.exp
schemas/resources/basis_schema/basis_schema.exp
schemas/resources/conditions_schema/conditions_schema.exp
schemas/resources/domain_schema/domain_schema.exp
schemas/resources/equations_schema/equations_schema.exp
schemas/resources/explicit_constraint_schema/explicit_constraint_schema.exp
schemas/resources/explicit_geometric_constraint_schema/explicit_geometric_constraint_schema.exp
schemas/resources/fea_scalar_vector_tensor_schema/fea_scalar_vector_tensor_schema.exp
schemas/resources/finite_element_analysis_control_and_result_schema/finite_element_analysis_control_and_result_schema.exp
schemas/resources/hierarchy_schema/hierarchy_schema.exp
schemas/resources/iso13584_generic_expressions_schema/iso13584_generic_expressions_schema.exp
schemas/resources/mathematical_functions_schema/mathematical_functions_schema.exp
schemas/resources/mesh_connectivity_schema/mesh_connectivity_schema.exp
schemas/resources/mesh_function_schema/mesh_function_schema.exp
schemas/resources/mesh_topology_schema/mesh_topology_schema.exp
schemas/resources/method_definition_schema/method_definition_schema.exp
schemas/resources/parameterization_schema/parameterization_schema.exp
schemas/resources/procedural_model_schema/procedural_model_schema.exp
schemas/resources/procedural_shape_model_schema/procedural_shape_model_schema.exp
schemas/resources/procedural_sketch_schema/procedural_sketch_schema.exp
schemas/resources/process_property_representation_schema/process_property_representation_schema.exp
schemas/resources/process_property_schema/process_property_schema.exp
schemas/resources/results_schema/results_schema.exp
schemas/resources/sketch_schema/sketch_schema.exp
schemas/resources/solid_shape_element_schema/solid_shape_element_schema.exp
schemas/resources/structural_response_definition_schema/structural_response_definition_schema.exp
schemas/resources/structural_response_representation_schema/structural_response_representation_schema.exp
schemas/resources/variational_representation_schema/variational_representation_schema.exp