Switched the plugin to use SDKHooks instead of the unstable ZRTools.

src/zr/weapons/restrict.inc

@@ -139,10 +139,7 @@ RestrictClientInit(client)
 {
     // Hook "Weapon_CanUse" on client.
     #if defined USE_SDKHOOKS
-        SDKHook(client, SDKHook_WeaponEquip, RestrictCanUse);
-        
-        // Note: Do we need to use WeaponSwitch too? On infection all weapons
-        //       are removed anyways.
+        SDKHook(client, SDKHook_WeaponCanUse, RestrictCanUse);
         
         // Set dummy value so it think it's hooked.
         g_iCanUseHookID[client] = 1;