chore: Remove typeORM (#9005)

* chore: rename js files to txt

* chore: rename ts files to txt

* chore: delete environment helpers

* chore: convert global setup & teardown to txt

* chore: rename helper js/ts files to txt

* chore: rename seeder js/ts files to txt

* chore: remove typeorm

* chore: reintroduce used helpers

integration-tests/helpers/breaking.ts.txt

@@ -0,0 +1,10 @@
+export const breaking = (
+  v1Fn: (() => any) | null,
+  v2Fn?: (() => any) | null
+) => {
+  if (process.env.MEDUSA_FF_MEDUSA_V2 === "true") {
+    return v2Fn?.()
+  }
+
+  return v1Fn?.()
+}