Revert "Command argument handling"

This reverts commit 51007e3.

Author: PavelPashov

content/develop/clients/nodejs/migration.md

@@ -137,13 +137,15 @@ objects are flattened into sequential key-value pairs:
 
 ```js
 // These commands are all equivalent.
-await client.hSet('user' {
+client.hset('user' {
     name: 'Bob',
     age: 20,
     description: 'I am a programmer',
 });
 
-await client.hSet('user', ['name', 'Bob', 'age', 20, 'description', 'I am a programmer']);
+client.hset('user', ['name', 'Bob', 'age', 20, 'description', 'I am a programmer']);
+
+client.hset('user', 'name', 'Bob', 'age', 20, 'description', 'I am a programmer');
 ```
 
 `node-redis` uses predefined formats for command arguments. These include specific