Remove reference to decompiled source code from README

The decompiled code is not included in the repository (excluded via .gitignore).
Mentioning it in the README could create legal concerns and is misleading.

README.md

@@ -72,10 +72,6 @@ Then COBS encoded before transmission.
 - **HOME_ASSISTANT_INTEGRATION.md** - Home Assistant integration plan
 - **MISSION_ACCOMPLISHED.md** - Project completion summary
 
-### Source Code (Decompiled)
-- **decompiled/** - 431 decompiled .NET assemblies (C# source)
-  - Key files: `DirectConnectionMyRvLinkBle.cs`, `MyRvLinkCommandType.cs`, `CobsEncoder.cs`, `Crc8.cs`
-
 ## 💻 Usage Example
 
 ```python