fix: a drew redundancies

src/core/blitz/getTreeType.ts

@@ -1,11 +0,0 @@
-import { TreeType } from '../../components/Tanks';
-import { tankDefinitions } from '../blitzkrieg/tankDefinitions';
-
-export default async function getTreeType(id: number): Promise<TreeType> {
-  const entry = (await tankDefinitions)[id];
-
-  if (entry.treeType === 'collector') return 'collector';
-  if (entry.treeType === 'premium') return 'premium';
-
-  return 'researchable';
-}