Remove unused doc feature

Noah Hüsser · Noah Hüsser · commit 04e90bda4bec · 2020-09-28T18:31:42.000+02:00
diff --git a/nrf52811-hal/Cargo.toml b/nrf52811-hal/Cargo.toml
@@ -29,6 +29,5 @@ features = ["unproven"]
 version = "0.2.3"
 
 [features]
-doc = []
 rt = ["nrf52811-pac/rt"]
 default = ["rt"]
