feat(core): Remove own execution-process mode (#8490)

packages/cli/src/config/schema.ts

@@ -234,15 +234,6 @@ export const schema = {
 	},
 
 	executions: {
-		// By default workflows get always executed in the main process.
-		// TODO: remove this and all usage of `executions.process` when `own` mode is deleted
-		process: {
-			doc: 'In what process workflows should be executed.',
-			format: ['main', 'own'] as const,
-			default: 'main',
-			env: 'EXECUTIONS_PROCESS',
-		},
-
 		mode: {
 			doc: 'If it should run executions directly or via queue',
 			format: ['regular', 'queue'] as const,