Remove the legacy int policy from NetworkRanker am: 132ff9ef2e am: 57864d9400 am: cc0a4fc1de am: 99c4cf0541

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1906317

Change-Id: I5fc339f5c3f97aa2c7291777f7e1bef0ca290790