g471 only has 3 opamps

usbalbin · usbalbin · commit fa3bfa107091 · 2023-06-08T16:21:39.000+02:00
diff --git a/src/adc.rs b/src/adc.rs
@@ -2361,7 +2361,6 @@ adc_op!(
 );
 
 #[cfg(any(
-    feature = "stm32g471",
     feature = "stm32g473",
     feature = "stm32g474",
     feature = "stm32g483",
