Remove #![feature(or_patterns)]

hyd-dev · hyd-dev · commit 4eed6107230f · 2021-03-23T16:58:00.000+08:00
diff --git a/src/lib.rs b/src/lib.rs
@@ -2,7 +2,6 @@
 #![feature(map_first_last)]
 #![feature(map_try_insert)]
 #![feature(never_type)]
-#![feature(or_patterns)]
 #![feature(try_blocks)]
 
 #![warn(rust_2018_idioms)]
