Remove crate level examples

The API/crate is in the process of being overhauled. Reviewing the crate
rustdoc example is a waist of time because it is going to change many
times before release - easier to just review actual code and then
re-write the crate level rustdoc example before release.

Author: tcharding

src/lib.rs

@@ -11,24 +11,6 @@
 //!
 //! The original description in [BIP-0173](https://github.com/bitcoin/bips/blob/master/bip-0173.mediawiki)
 //! has more details. See also [BIP-0350](https://github.com/bitcoin/bips/blob/master/bip-0350.mediawiki).
-//!
-#![cfg_attr(
-    feature = "std",
-    doc = "
-# Examples
-```
-use bech32::{self, FromBase32, ToBase32, Variant, Hrp};
-let hrp = Hrp::parse(\"bech32\").expect(\"bech32 is valid\");
-let encoded = bech32::encode(hrp, vec![0x00, 0x01, 0x02].to_base32(), Variant::Bech32).unwrap();
-assert_eq!(encoded, \"bech321qqqsyrhqy2a\".to_string());
-let (hrp, data, variant) = bech32::decode(&encoded).unwrap();
-assert_eq!(hrp.to_string(), \"bech32\");
-assert_eq!(Vec::<u8>::from_base32(&data).unwrap(), vec![0x00, 0x01, 0x02]);
-assert_eq!(variant, Variant::Bech32);
-```
-"
-)]
-//!
 
 #![cfg_attr(all(not(feature = "std"), not(test)), no_std)]
 // Experimental features we need.