agent: make policy feature optional again

This was messed up a little when factoring out the policy crate.
Removing the dependencies no longer used by the agent and making the
import of kata-agent-policy optional again.

Signed-off-by: Paul Meyer <katexochen0@gmail.com>

src/agent/Cargo.lock

@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "addr2line"
@@ -3016,7 +3016,6 @@ dependencies = [
  "futures",
  "image-rs",
  "ipnetwork",
- "json-patch",
  "kata-agent-policy",
  "kata-sys-util",
  "kata-types",
@@ -3035,7 +3034,6 @@ dependencies = [
  "protobuf 3.5.1",
  "protocols",
  "regex",
- "regorus",
  "rstest",
  "rtnetlink",
  "runtime-spec",

src/agent/Cargo.toml

@@ -81,14 +81,8 @@ strum_macros = "0.26.2"
 image-rs = { git = "https://github.com/confidential-containers/guest-components", rev = "514c561d933cb11a0f1628621a0b930157af76cd", default-features = false, optional = true }
 
 # Agent Policy
-regorus = { version = "0.2.6", default-features = false, features = [
-    "arc",
-    "regex",
-    "std",
-], optional = true }
 cdi = { git = "https://github.com/cncf-tags/container-device-interface-rs", rev = "fba5677a8e7cc962fc6e495fcec98d7d765e332a" }
-json-patch = "2.0.0"
-kata-agent-policy = { path = "policy" }
+kata-agent-policy = { path = "policy", optional = true }
 
 [dev-dependencies]
 tempfile = "3.1.0"
@@ -108,7 +102,7 @@ lto = true
 default-pull = ["guest-pull"]
 seccomp = ["rustjail/seccomp"]
 standard-oci-runtime = ["rustjail/standard-oci-runtime"]
-agent-policy = ["regorus"]
+agent-policy = [ "kata-agent-policy" ]
 guest-pull = ["image-rs/kata-cc-rustls-tls"]
 
 [[bin]]