Fix test snapshot (#2620)

Author: fisker

test/snapshots/no-unnecessary-array-flat-depth.js.md

@@ -87,24 +87,3 @@ Generated by [AVA](https://avajs.dev).
     > 1 | foo?.flat(1)␊
         |           ^ Passing \`1\` as the \`depth\` argument is unnecessary.␊
     `
-
-## invalid(3): foo?.flat(1)
-
-> Input
-
-    `␊
-      1 | foo?.flat(1)␊
-    `
-
-> Output
-
-    `␊
-      1 | foo?.flat()␊
-    `
-
-> Error 1/1
-
-    `␊
-    > 1 | foo?.flat(1)␊
-        |           ^ Passing \`1\` as the \`depth\` argument is unnecessary.␊
-    `