Remove obsolete repository writes

tests/project-snapshot.repository.test.ts

@@ -8,7 +8,7 @@ import {
   createDatabaseContext,
   type DatabaseContext,
 } from "../src/db/database-context.js";
-import { DistributionBoardRepository } from "../src/db/repositories/distribution-board.repository.js";
+import { DistributionBoardFixtureRepository } from "./support/distribution-board-fixture.js";
 import { ProjectSnapshotRepository } from "../src/db/repositories/project-snapshot.repository.js";
 import { circuitDeviceRows } from "../src/db/schema/circuit-device-rows.js";
 import { circuitLists } from "../src/db/schema/circuit-lists.js";
@@ -37,7 +37,7 @@ function createTestDatabase(): DatabaseContext {
       threePhaseVoltageV: 400,
     })
     .run();
-  const board = new DistributionBoardRepository(
+  const board = new DistributionBoardFixtureRepository(
     context.db
   ).createWithCircuitListAndDefaultSections("project-1", "UV-01");
   const list = context.db