fix unused vars and imports (#5852)

* update eslintrc, and fix most of the errors

* more

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* fix last one

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* fixes

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* updates

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* A snapshot a day keeps the bugs away! 📷🐛

---------

Signed-off-by: Jess Frazelle <github@jessfraz.com>
Co-authored-by: Jess Frazelle <github@jessfraz.com>
Co-authored-by: Jess Frazelle <jessfraz@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

e2e/playwright/file-tree.spec.ts

@@ -1197,7 +1197,7 @@ test.describe('Undo and redo do not keep history when navigating between files',
     `cloned file has an incremented name and same contents`,
     { tag: '@electron' },
     async ({ page, context, homePage }, testInfo) => {
-      const { panesOpen, createNewFile, cloneFile } = await getUtils(page, test)
+      const { panesOpen, cloneFile } = await getUtils(page, test)
 
       const { dir } = await context.folderSetupFn(async (dir) => {
         const finalDir = join(dir, 'testDefault')