Update arm64e-apple-tvos maintainer

Signed-off-by: Emmanuel Ferdman <emmanuelferdman@gmail.com>

Author: emmanuel-ferdman

src/doc/rustc/src/platform-support/arm64e-apple-tvos.md

@@ -6,7 +6,7 @@ ARM64e tvOS (10.0+)
 
 ## Target maintainers
 
-- Artyom Tetyukhin ([@arttet](https://github.com/https://github.com/arttet))
+- Artyom Tetyukhin ([@arttet](https://github.com/arttet))
 
 ## Requirements