Minimal codemod fixes (#3715)

* fix removing trailing comma when removing BlitzConfig from next.config.js during codemod

* fix codemod for consolidating pages

.changeset/lovely-berries-sell.md

@@ -0,0 +1,5 @@
+---
+"@blitzjs/codemod": patch
+---
+
+Remove trailing comma when removing BlitzConfig from next.config.js & Fix codemod so if route (eg. `app/auth/pages`) convert to (eg. `pages/`) instead of (eg. `pages/auth`)

packages/codemod/src/upgrade-legacy.ts

@@ -63,7 +63,7 @@ const upgradeLegacy = async () => {
           }
 
           if (c.name === "imported") {
-            j(c).remove()
+            j(c.parentPath).remove()
           }
         })
       }
@@ -625,7 +625,7 @@ const upgradeLegacy = async () => {
                     }
                   } else {
                     arr.push({
-                      model: file,
+                      model: "",
                       path: dirPath + "/" + file + "/pages",
                     })
                     break
@@ -659,6 +659,7 @@ const upgradeLegacy = async () => {
           // If the directory exists without a sub model (sub page directory), loop through the directory manually move each file/directory
           if (fs.existsSync(path.join(path.resolve("pages"), pages.model))) {
             let subs = fs.readdirSync(pages.path)
+
             subs.forEach((sub) => {
               fs.moveSync(
                 path.join(pages.path, sub),