Use bytes-cast 0.3.0 - drop patching

mercurial-rust-metadata.patch

@@ -1,15 +0,0 @@
-Patch cargo metadata for Fedora build
-
-Keep using old bytes-cast for now - https://www.mercurial-scm.org/repo/hg/rev/da02e88b4850 indicates that should be ok.
-
---- a/rust/hg-core/Cargo.toml
-+++ b/rust/hg-core/Cargo.toml
-@@ -10,7 +10,7 @@ name = "hg"
-
- [dependencies]
- bitflags = "1.3.2"
--bytes-cast = "0.3.0"
-+bytes-cast = "0.2.0"
- byteorder = "1.4.3"
- derive_more = "0.99.17"
- hashbrown = { version = "0.13.1", features = ["rayon"] }

mercurial.spec

@@ -21,8 +21,6 @@ License: GPLv2+
 URL: https://mercurial-scm.org/
 Source0: https://www.mercurial-scm.org/release/%{name}-%{upstreamversion}.tar.gz
 Source1: mercurial-site-start.el
-# Patch cargo metadata for dependency versions available in Fedora
-Patch0:  mercurial-rust-metadata.patch
 BuildRequires: make
 BuildRequires: bash-completion
 BuildRequires: emacs-el