Deprecate custom pipelines

We can autogenerate the custom pipelines as well now.

Signed-off-by: Catalin Dumitru <catdum@amazon.com>

Author: catdum

.buildkite/bench-tests.json

@@ -0,0 +1,12 @@
+{
+    "tests": [
+        {
+            "test_name": "bench",
+            "command": "pytest rust-vmm-ci/integration_tests/test_benchmark.py -s",
+            "platform": [
+                "x86_64",
+                "aarch64"
+            ]
+        }
+    ]
+}

.buildkite/bench_pipeline.yml

@@ -0,0 +1,18 @@
+{
+    "tests": [
+        {
+            "test_name": "build-gnu-bzimage",
+            "command": "cargo build --release --features bzimage",
+            "platform": [
+                "x86_64"
+            ]
+        },
+        {
+            "test_name": "build-musl-bzimage",
+            "command": "cargo build --release --features bzimage --target {target_platform}-unknown-linux-musl",
+            "platform": [
+                "x86_64"
+            ]
+        }
+    ]
+}