fix: remove useless declaration

since _write() syscall moved to Print.cpp

Signed-off-by: Frederic Pillon <[email protected]>

Author: fpistm

libraries/SrcWrapper/src/syscalls.c

@@ -13,8 +13,6 @@
 #undef errno
 extern int errno;
 
-extern size_t uart_debug_write(uint8_t *data, uint32_t size);
-
 // Helper macro to mark unused parameters and prevent compiler warnings.
 // Appends _UNUSED to the variable name to prevent accidentally using them.
 #ifdef UNUSED