fix: ip-view test in networking_test (#497)

## 📝 Description

--region field was falsely filterable which had been fixed in
https://github.com/linode/linode-api-docs/pull/822/files#diff-d910ba2ef878f7db0223a966b81c8b3f3b65027bb39e4431bb05140171eece39L21508

updating integration test

## ✔️ How to Test

**What are the steps to reproduce the issue or verify the changes?**

**How do I run the relevant unit/integration tests?**

## 📷 Preview

**If applicable, include a screenshot or code snippet of this change.
Otherwise, please remove this section.**

Author: ykim-akamai

tests/integration/networking/test_networking.py

@@ -54,8 +54,6 @@ def test_view_an_ip_address(setup_test_networking):
         BASE_CMD
         + [
             "ip-view",
-            "--region",
-            "us-east",
             "--text",
             "--no-headers",
             "--delimiter",