Drop unused experimental-enum-variants-from-header feature

rust-cxxbridge-macro.spec

@@ -72,18 +72,6 @@ use the "experimental-async-fn" feature of the "%{crate}" crate.
 %files       -n %{name}+experimental-async-fn-devel
 %ghost %{crate_instdir}/Cargo.toml
 
-%package     -n %{name}+experimental-enum-variants-from-header-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+experimental-enum-variants-from-header-devel %{_description}
-
-This package contains library source intended for building other packages which
-use the "experimental-enum-variants-from-header" feature of the "%{crate}" crate.
-
-%files       -n %{name}+experimental-enum-variants-from-header-devel
-%ghost %{crate_instdir}/Cargo.toml
-
 %package     -n %{name}+flate2-devel
 Summary:        %{summary}
 BuildArch:      noarch
@@ -96,18 +84,6 @@ use the "flate2" feature of the "%{crate}" crate.
 %files       -n %{name}+flate2-devel
 %ghost %{crate_instdir}/Cargo.toml
 
-%package     -n %{name}+memmap-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+memmap-devel %{_description}
-
-This package contains library source intended for building other packages which
-use the "memmap" feature of the "%{crate}" crate.
-
-%files       -n %{name}+memmap-devel
-%ghost %{crate_instdir}/Cargo.toml
-
 %package     -n %{name}+serde-devel
 Summary:        %{summary}
 BuildArch:      noarch

rust2rpm.toml

@@ -2,3 +2,10 @@
 run = ["none"]
 comments = ["tests can only be run in-tree"]
 
+[features]
+hide = [
+    # outdated dependencies
+    "memmap",
+    "experimental-enum-variants-from-header",
+]
+