Revert dependency bump for ansi-str

Signed-off-by: Michel Alexandre Salim <salimma@fedoraproject.org>

papergrid-fix-metadata.diff

@@ -1,11 +0,0 @@
---- papergrid-0.7.1/Cargo.toml	1970-01-01T00:00:01+00:00
-+++ papergrid-0.7.1/Cargo.toml	2023-02-17T02:06:18.819897+00:00
-@@ -20,7 +20,7 @@
- repository = "https://github.com/zhiburt/tabled"
- 
- [dependencies.ansi-str]
--version = "0.5.0"
-+version = "0.7.0"
- optional = true
- 
- [dependencies.ansitok]

rust-papergrid.spec

@@ -14,9 +14,6 @@ URL:            https://crates.io/crates/papergrid
 Source:         %{crates_source}
 # PR to symlink license text to each crate directories: https://github.com/zhiburt/tabled/pull/283
 Source1:        https://raw.githubusercontent.com/zhiburt/tabled/master/LICENSE
-# Manually created patch for downstream crate metadata changes
-# * bump ansi-str from 0.5.0 to 0.7.0
-Patch:          papergrid-fix-metadata.diff
 
 BuildRequires:  rust-packaging >= 21