Last second removal of missing feature

Author: novacrazy

README.md

@@ -75,7 +75,6 @@ assert_eq!(array[2], 3);
 ```toml
 [dependencies.generic-array]
 features = [
-    "more_lengths",  # Expands From/Into implementation for more array lengths
     "serde",         # Serialize/Deserialize implementation
     "zeroize",       # Zeroize implementation for setting array elements to zero
     "const-default", # Compile-time const default value support via trait

src/lib.rs

@@ -80,7 +80,6 @@
 //! ```toml
 //! [dependencies.generic-array]
 //! features = [
-//!     "more_lengths",  # Expands From/Into implementation for more array lengths
 //!     "serde",         # Serialize/Deserialize implementation
 //!     "zeroize",       # Zeroize implementation for setting array elements to zero
 //!     "const-default", # Compile-time const default value support via trait