Do not pull optional dependencies

Signed-off-by: Igor Gnatenko <ignatenkobrain@fedoraproject.org>

rust-lazy_static.spec

@@ -7,7 +7,7 @@
 
 Name:           rust-%{crate}
 Version:        1.3.0
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Macro for declaring lazily evaluated statics in Rust
 
 # Upstream license specification: MIT/Apache-2.0
@@ -18,7 +18,6 @@ Source:         %{crates_source}
 ExclusiveArch:  %{rust_arches}
 
 BuildRequires:  rust-packaging
-BuildRequires:  (crate(spin/default) >= 0.5.0 with crate(spin/default) < 0.6.0)
 
 %global _description \
 A macro for declaring lazily evaluated statics in Rust.
@@ -91,6 +90,9 @@ which use "spin_no_std" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Sun Mar 10 2019 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 1.3.0-3
+- Do not pull optional dependencies
+
 * Sat Mar 09 2019 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 1.3.0-2
 - Bring spin back