bitcoin: Remove error module

The `error` module is empty except for public re-exports. We are still
in the "break everything and get the API right" stage so this module
adds no value - remove it.

bitcoin/src/blockdata/transaction.rs

@@ -120,7 +120,7 @@ pub enum ParseOutPointError {
     /// Error in TXID part.
     Txid(hex::HexToArrayError),
     /// Error in vout part.
-    Vout(crate::error::ParseIntError),
+    Vout(parse::ParseIntError),
     /// Error in general format.
     Format,
     /// Size exceeds max.

bitcoin/src/error.rs

@@ -1,9 +0,0 @@
-// SPDX-License-Identifier: CC0-1.0
-
-//! Contains error types and other error handling tools.
-
-#[rustfmt::skip]                // Keep public re-exports separate.
-#[doc(inline)]
-pub use units::parse::{
-    ContainsPrefixError, MissingPrefixError, ParseIntError, PrefixedHexError, UnprefixedHexError,
-};

bitcoin/src/lib.rs

@@ -100,7 +100,6 @@ pub mod blockdata;
 pub mod consensus;
 // Private until we either make this a crate or flatten it - still to be decided.
 pub(crate) mod crypto;
-pub mod error;
 pub mod hash_types;
 pub mod merkle_tree;
 pub mod network;

bitcoin/src/pow.rs

@@ -12,13 +12,12 @@ use core::ops::{Add, Div, Mul, Not, Rem, Shl, Shr, Sub};
 use io::{BufRead, Write};
 #[cfg(all(test, mutate))]
 use mutagen::mutate;
-use units::parse;
+use units::parse::{self, ParseIntError, PrefixedHexError, UnprefixedHexError};
 
 use crate::block::Header;
 use crate::blockdata::block::BlockHash;
 use crate::consensus::encode::{self, Decodable, Encodable};
 use crate::consensus::Params;
-use crate::error::{ParseIntError, PrefixedHexError, UnprefixedHexError};
 
 /// Implement traits and methods shared by `Target` and `Work`.
 macro_rules! do_impl {