Changed default to false for run/walking (Grimbly-Station#82)

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# Description

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I changed the default state (in options) to run automatically for client
side options.

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Done.

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# Changelog

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:cl: TheGreenChkrta
- tweak: Run is now default (again)

Content.Shared/CCVar/CCVars.cs

@@ -2003,7 +2003,7 @@ public static readonly CVarDef<string>
         /// Whether the player mob is walking by default instead of running.
         /// </summary>
         public static readonly CVarDef<bool> DefaultWalk =
-            CVarDef.Create("control.default_walk", true, CVar.CLIENT | CVar.REPLICATED | CVar.ARCHIVE);
+            CVarDef.Create("control.default_walk", false, CVar.CLIENT | CVar.REPLICATED | CVar.ARCHIVE);
 
         /*
          * STORAGE