Remove unneeded structopt feature

- Check in rust2rpm.conf config

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

rust-build-fs-tree.spec

@@ -13,7 +13,6 @@ License:        MIT
 URL:            https://crates.io/crates/build-fs-tree
 Source:         %{crates_source}
 # Manually created patch for downstream crate metadata changes
-# * don't compile binaries, we don't need them yet
 Patch:          build-fs-tree-fix-metadata.diff
 
 BuildRequires:  rust-packaging >= 21
@@ -49,18 +48,6 @@ use the "default" feature of the "%{crate}" crate.
 %files       -n %{name}+default-devel
 %ghost %{crate_instdir}/Cargo.toml
 
-%package     -n %{name}+structopt-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+structopt-devel %{_description}
-
-This package contains library source intended for building other packages which
-use the "structopt" feature of the "%{crate}" crate.
-
-%files       -n %{name}+structopt-devel
-%ghost %{crate_instdir}/Cargo.toml
-
 %prep
 %autosetup -n %{crate}-%{version_no_tilde} -p1
 %cargo_prep

rust2rpm.conf

@@ -0,0 +1,6 @@
+[DEFAULT]
+unwanted-features =
+  cli
+  cli-completions
+  structopt
+  structopt-utilities