Update W6300.md

Author: Alan-Shin

docs/Product/iEthernet/W6300/W6300.md

@@ -31,13 +31,6 @@ description: W6300 chip is a Hardwired Internet controller designed as a full ha
 ## Design Guide
 
   - **[Reference Schematic](Ref.-Schematic.md)**
-      - External Transformer Type
-      - RJ45 with Transformer Type
-  <!-- - **[W6100-EVB](https://github.com/Wiznet/Hardware-Files-of-WIZnet/tree/master/02_iEthernet/W6100)** -->
-      - Schematic(PDF)
-      - Schematic(Altium)
-      - Partlist
-      - Gerber
   - <a href="/img/design_guide/Wiznet Ethernet Design Guide_ENG.pdf" target="_blank">**Reference PCB Design**</a>
 
 ## 🔌 Related Evaluation Boards (EVB)