Remove crc downgrade

oxipng-fix-metadata.diff

@@ -1,14 +1,5 @@
 --- oxipng-5.0.0/Cargo.toml	1970-01-01T00:00:01+00:00
-+++ oxipng-5.0.0/Cargo.toml	2021-07-12T05:29:27.914572+00:00
-@@ -51,7 +51,7 @@
- optional = true
- 
- [dependencies.crc]
--version = "^2.0.0"
-+version = "^1.9.0"
- 
- [dependencies.crossbeam-channel]
- version = "0.5.0"
++++ oxipng-5.0.0/Cargo.toml	2021-07-12T05:40:24.907884+00:00
 @@ -100,7 +100,7 @@
  version = "^0.4.0"
  optional = true

rust-oxipng.spec

@@ -13,7 +13,6 @@ License:        MIT
 URL:            https://crates.io/crates/oxipng
 Source:         %{crates_source}
 # Initial patched metadata
-# * Downgrade crc to version 1.9.0
 # * Downgrade rustc_version to version 0.3
 Patch0:         oxipng-fix-metadata.diff