Sandbox ue_unittest_erofs_imgs

This already works with sandboxing, I'm not sure why it was added.

Bug: 307824623
Test: ./build/soong/tests/genrule_sandbox_test.py ue_unittest_erofs_imgs
Change-Id: I8d2c151e3bc6ed87e1d147e0ae316397ad56c4c8
diff --git a/genrule/allowlists.go b/genrule/allowlists.go
index 4dad7eb..ce3d2e3 100644
--- a/genrule/allowlists.go
+++ b/genrule/allowlists.go
@@ -40,7 +40,6 @@
 		"libcore-non-cts-tests-txt",
 		"seller-frontend-service-stub-lite",
 		"swiftshader_spvtools_update_build_version",
-		"ue_unittest_erofs_imgs",
 		"vm-tests-tf-lib",
 		// go/keep-sorted end
 	}