Refactor all the things

plug-api/silverbullet-syscall/system.ts

@@ -1,20 +1,11 @@
 import type { CommandDef } from "../../web/hooks/command.ts";
 import { syscall } from "./syscall.ts";
 
-export function invoke(
-  name: string,
-  ...args: any[]
-): Promise<any> {
-  return syscall("system.invoke", name, ...args);
-}
-
-// @deprecated use invoke instead
 export function invokeFunction(
-  env: string,
   name: string,
   ...args: any[]
 ): Promise<any> {
-  return syscall("system.invokeFunction", env, name, ...args);
+  return syscall("system.invokeFunction", name, ...args);
 }
 
 // Only available on the client