Remove no longer necessary rand patch

These tests got fixed fixed at some point.

patches/0003-rand-Disable-rand-tests-on-mingw.patch

@@ -1,47 +0,0 @@
-From eec874c889b8d24e5ad50faded24288150f057b1 Mon Sep 17 00:00:00 2001
-From: Afonso Bordado <afonsobordado@az8.co>
-Date: Tue, 27 Sep 2022 08:13:58 +0100
-Subject: [PATCH] Disable rand tests on mingw
-
----
- rand_distr/src/pareto.rs            | 2 ++
- rand_distr/tests/value_stability.rs | 4 ++++
- 2 files changed, 6 insertions(+)
-
-diff --git a/rand_distr/src/pareto.rs b/rand_distr/src/pareto.rs
-index 217899e..9cedeb7 100644
---- a/rand_distr/src/pareto.rs
-+++ b/rand_distr/src/pareto.rs
-@@ -107,6 +107,8 @@ mod tests {
-     }
-
-     #[test]
-+    // This is broken on x86_64-pc-windows-gnu presumably due to a broken powf implementation
-+    #[cfg_attr(all(target_os = "windows", target_env = "gnu"), ignore)]
-     fn value_stability() {
-         fn test_samples<F: Float + Debug + Display + LowerExp, D: Distribution<F>>(
-             distr: D, thresh: F, expected: &[F],
-diff --git a/rand_distr/tests/value_stability.rs b/rand_distr/tests/value_stability.rs
-index 192ba74..0101ace 100644
---- a/rand_distr/tests/value_stability.rs
-+++ b/rand_distr/tests/value_stability.rs
-@@ -72,6 +72,8 @@ fn unit_disc_stability() {
- }
-
- #[test]
-+// This is broken on x86_64-pc-windows-gnu
-+#[cfg_attr(all(target_os = "windows", target_env = "gnu"), ignore)]
- fn pareto_stability() {
-     test_samples(213, Pareto::new(1.0, 1.0).unwrap(), &[
-         1.0423688f32, 2.1235929, 4.132709, 1.4679428,
-@@ -143,6 +145,8 @@ fn inverse_gaussian_stability() {
- }
-
- #[test]
-+// This is broken on x86_64-pc-windows-gnu
-+#[cfg_attr(all(target_os = "windows", target_env = "gnu"), ignore)]
- fn gamma_stability() {
-     // Gamma has 3 cases: shape == 1, shape < 1, shape > 1
-     test_samples(223, Gamma::new(1.0, 5.0).unwrap(), &[
---
-2.25.1