unused vars cleanup (#1608)

src/Router.tsx

@@ -3,15 +3,8 @@ import {
   createBrowserRouter,
   Outlet,
   redirect,
-  useLocation,
   RouterProvider,
 } from 'react-router-dom'
-import {
-  matchRoutes,
-  createRoutesFromChildren,
-  useNavigationType,
-} from 'react-router'
-import { useEffect } from 'react'
 import { ErrorPage } from './components/ErrorPage'
 import { Settings } from './routes/Settings'
 import Onboarding, { onboardingRoutes } from './routes/Onboarding'

src/clientSideScene/sceneInfra.ts

@@ -19,7 +19,7 @@ import {
   Object3D,
   Object3DEventMap,
 } from 'three'
-import { Coords2d, compareVec2Epsilon2 } from 'lang/std/sketch'
+import { compareVec2Epsilon2 } from 'lang/std/sketch'
 import { useModelingContext } from 'hooks/useModelingContext'
 import * as TWEEN from '@tweenjs/tween.js'
 import { SourceRange } from 'lang/wasm'

src/lang/modifyAst.ts

@@ -6,7 +6,6 @@ import {
   PipeExpression,
   VariableDeclaration,
   VariableDeclarator,
-  ExpressionStatement,
   Value,
   Literal,
   PipeSubstitution,