ci(ab): merge network test steps

The network latency test only takes 2 minutes, so its a bit silly to
spawn up a whole .metal for it. Just run it on the same .metal as the
network throughput test.

Signed-off-by: Patrick Roy <[email protected]>

Author: roypat

.buildkite/pipeline_perf.py

@@ -27,18 +27,14 @@
         "devtool_opts": "-c 1-10 -m 0",
         "ab_opts": "--noise-threshold 0.1",
     },
-    "network-latency": {
-        "label": "📠 Network Latency",
-        "test_path": "integration_tests/performance/test_network_ab.py::test_network_latency",
+    "network": {
+        "label": "📠 Network Latency and Throughput",
+        "test_path": "integration_tests/performance/test_network_ab.py",
         "devtool_opts": "-c 1-10 -m 0",
         # Triggers if delta is > 0.01ms (10µs) or default relative threshold (5%)
+        # only relevant for latency test, throughput test will always be magnitudes above this anyway
         "ab_opts": "--absolute-strength 0.010",
     },
-    "network-throughput": {
-        "label": "📠 Network TCP Throughput",
-        "test_path": "integration_tests/performance/test_network_ab.py::test_network_tcp_throughput",
-        "devtool_opts": "-c 1-10 -m 0",
-    },
     "snapshot-latency": {
         "label": "📸 Snapshot Latency",
         "test_path": "integration_tests/performance/test_snapshot_ab.py",