Change .snyk format

Previous format was wrong, and in turn had no effect on ignoring
code issues.

.snyk

@@ -1,14 +1,6 @@
 # https://docs.snyk.io/scan-applications/snyk-code/using-snyk-code-from-the-cli/excluding-directories-and-files-from-the-snyk-code-cli-test
 exclude:
   global:
-    - vendor/github.com/onsi/ginkgo/v2/internal/suite.go:
-      reason: Temporarily ignoring until a fix is ready.
-      expires: 2024-03-01
-      created: 2024-01-01
-    - vendor/sigs.k8s.io/controller-runtime/pkg/log/log.go:
-      reason: Ignoring as the issue in the code is expected.
-      created: 2024-01-01
-    - vendor/github.com/jaypipes/ghw/pkg/block/block_linux.go:
-      reason: Temporarily ignoring until a fix is ready.
-      expires: 2024-03-01
-      created: 2024-01-01
+    - "vendor/github.com/onsi/ginkgo/v2/internal/suite.go"
+    - "vendor/sigs.k8s.io/controller-runtime/pkg/log/log.go"
+    - "vendor/github.com/jaypipes/ghw/pkg/block/block_linux.go"