docs: remove duplicated models (#861)

README.md

@@ -248,7 +248,7 @@ environment variables are **optional**._
 | `gainward` | `phantom gs`, `phoenix`, `phoenix gs`, `phoenix gs oc` |
 | `gigabyte` | `aorus master`, `aorus xtreme`, `eagle`, `eagle oc`, `gaming`, `gaming oc`, `turbo`, `vision`, `vision oc` |
 | `inno3d` | `gaming x3`, `ichill x3`, `ichill x4`, `twin x2 oc` |
-| `kfa2` | `sg oc` |
+| `kfa2` | `sg`, `sg oc` |
 | `microsoft` | `xboxsx`, `xboxss` |
 | `msi` | `gaming x trio`, `ventus 2x oc`, `ventus 3x`, `ventus 3x oc` |
 | `nvidia` | `founders edition` |
@@ -256,8 +256,6 @@ environment variables are **optional**._
 | `pny` | `dual fan`, `xlr8 revel`, `xlr8 uprising` |
 | `sony` | `ps5 console`, `ps5 digital` |
 | `zotac` | `amp holo`, `amp extreme holo`, `trinity`, `trinity oc`, `twin edge`, `twin edge oc` |
-| kfa2 | sg |
-| gainward | phoenix, phoenix gs |
 
 </details>