Re-enable features that require rust-image 0.25

oxipng-fix-metadata-auto.diff

@@ -1,5 +1,5 @@
 --- oxipng-9.1.2/Cargo.toml	1970-01-01T00:00:01+00:00
-+++ oxipng-9.1.2/Cargo.toml	2024-07-15T20:25:45.717484+00:00
++++ oxipng-9.1.2/Cargo.toml	2024-07-15T22:13:30.187640+00:00
 @@ -150,7 +150,6 @@
  [features]
  binary = [

rust-oxipng.spec

@@ -127,6 +127,18 @@ use the "parallel" feature of the "%{crate}" crate.
 %files       -n %{name}+parallel-devel
 %ghost %{crate_instdir}/Cargo.toml
 
+%package     -n %{name}+sanity-checks-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+sanity-checks-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "sanity-checks" feature of the "%{crate}" crate.
+
+%files       -n %{name}+sanity-checks-devel
+%ghost %{crate_instdir}/Cargo.toml
+
 %package     -n %{name}+zopfli-devel
 Summary:        %{summary}
 BuildArch:      noarch

rust2rpm.toml

@@ -9,10 +9,3 @@ post = [
   "mandest='%{buildroot}%{_mandir}/man1'",
   "install -t \"${mandest}\" -D -p -m 0644 \"${mansrc}\"",
 ]
-
-[features]
-hide = [
-  # Needs "dep:image"; waiting for rust-image 0.25.1:
-  # https://bugzilla.redhat.com/show_bug.cgi?id=2268816
-  "sanity-checks",
-]