refactor: retire runners/lua_runner now that workflow_engine replaces it

.github/workflows/rust.yml

@@ -96,9 +96,6 @@ jobs:
 
           echo "apid started and bound its gRPC port successfully"
 
-      - name: Lua runner e2e smoke test
-        run: cargo test -p apid --features lua --test lua_e2e
-
   build-apid-image:
     name: build-apid-image
     runs-on: ubuntu-latest

Cargo.toml

@@ -22,7 +22,6 @@ members = [
 	"runners/api_caller",
 	"runners/python_runner",
 	"runners/javascript_runner",
-	"runners/lua_runner",
 	"runners/user_input",
 	"runners/filtered_runner",
 	"runners/workflow_runner",

binary/apid/Cargo.toml

@@ -34,7 +34,6 @@ local_file_loader = { path = "../../storage/local_file_loader" }
 api_caller = { path = "../../runners/api_caller" }
 python_runner = { path = "../../runners/python_runner" }
 javascript_runner = { path = "../../runners/javascript_runner" }
-lua_runner = { path = "../../runners/lua_runner" }
 user_input = { path = "../../runners/user_input" }
 filtered_runner = { path = "../../runners/filtered_runner" }
 workflow_runner = { path = "../../runners/workflow_runner" }
@@ -56,7 +55,6 @@ dhat-ad-hoc = []
 default = ["python", "input", "javascript", "wrapper"]
 python = []
 javascript = []
-lua = []
 workflow = []
 input = []
 wrapper = []

binary/apid/src/constants.rs

@@ -10,7 +10,3 @@ pub const PYTHON_LANG: &str = "python";
 /// The [`execution_engine::Engine`] language key registered for the
 /// JavaScript code runner.
 pub const JAVASCRIPT_LANG: &str = "js";
-
-/// The [`execution_engine::Engine`] language key registered for the Lua
-/// code runner.
-pub const LUA_LANG: &str = "lua";

binary/apid/src/main.rs

@@ -532,9 +532,6 @@ fn construct_execution_engine(
     let js_runner =
         javascript_runner::JsActionRunner::new(Arc::clone(&engine), workflow_logger.clone());
 
-    #[cfg(feature = "lua")]
-    let lua_runner = lua_runner::LuaActionRunner::new(Arc::clone(&engine), workflow_logger.clone());
-
     #[cfg(feature = "workflow")]
     let workflow_adapter =
         workflow_runner::WorkflowAdapter::spawn(Arc::clone(&engine), workflow_logger.clone());
@@ -561,9 +558,6 @@ fn construct_execution_engine(
         #[cfg(feature = "javascript")]
         engine.register_language(constants::JAVASCRIPT_LANG, Box::new(js_runner));
 
-        #[cfg(feature = "lua")]
-        engine.register_language(constants::LUA_LANG, Box::new(lua_runner));
-
         #[cfg(feature = "workflow")]
         engine.register_workflow_runner(Arc::new(workflow_adapter));