Update Workspace.yaml (#1038)

game:GetService("Workspace") is unnecessary, workspace is global
https://create.roblox.com/docs/reference/engine/globals/RobloxGlobals#workspace

I see no purpose of recommending that, using GetService for workspace is
sacrilegious

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Author: RuizuKun-Dev

content/en-us/reference/engine/classes/Workspace.yaml

@@ -30,8 +30,8 @@ description: |
 
   `Class.Workspace` can be accessed several ways, all of which are valid.
 
-  - `game:GetService("Workspace")` (recommended)
   - `workspace`
+  - `game:GetService("Workspace")`
   - `game.Workspace`
 
   ##### Notes