Remove data preparation proto definition.

Clean up unused code in data preparation action.

core/actions/data_preparation.ts

@@ -36,7 +36,6 @@ export class DataPreparation extends ActionBuilder<dataform.DataPreparation> {
 
     config.filename = resolveActionsConfigFilename(config.filename, configPath);
     const dataPreparationAsJson = nativeRequire(config.filename).asJson;
-    const dataPreparationDefinition = this.parseDataPreparationDefinitionJson(dataPreparationAsJson);
 
     // Find targets
     const targets = this.getTargets(dataPreparationAsJson as {

packages/@dataform/core/BUILD

@@ -65,12 +65,6 @@ add_license_header_to_file(
     to_file = "configs.proto",
 )
 
-add_license_header_to_file(
-    name = "data_preparation_proto_with_license",
-    from_file = "//protos:data_preparation.proto",
-    to_file = "data_preparation.proto",
-)
-
 add_license_header_to_file(
     name = "bundle_with_license",
     from_file = "bundle",
@@ -99,8 +93,7 @@ pkg_npm_tar(
         ":bundle_with_license",
         ":configs_proto_with_license",
         ":core_proto_with_license",
-        ":data_preparation_proto_with_license",
         ":package.json",
-        "//:version.bzl"
+        "//:version.bzl",
     ],
 )

protos/BUILD

@@ -9,7 +9,6 @@ proto_library(
     srcs = [
         "configs.proto",
         "core.proto",
-        "data_preparation.proto",
         "evaluation.proto",
         "execution.proto",
         "profiles.proto",