fix format

beginner/apps/src/bin/panic.rs

@@ -4,7 +4,7 @@
 use cortex_m::asm;
 use cortex_m_rt::entry;
 // this imports `beginner/apps/lib.rs` to retrieve our global logger + panicking-behavior
-// use apps as _;
+use apps as _;
 
 #[entry]
 fn main() -> ! {
@@ -35,8 +35,3 @@ fn bar() {
 fn index() -> usize {
     3
 }
-
-#[panic_handler]
-fn panic(info: &core::panic::PanicInfo) -> ! {
-    defmt::panic!("{}", info);
-}