[librsvg] benches: remove unused cairo_sys

[Paolo Borelli <pborelli src gnome org>]

commit 4fef2549c54265cd77bf32f46bf3092eda33a7d1
Author: Paolo Borelli <pborelli gnome org>
Date:   Sun Nov 24 19:02:01 2019 +0100

    benches: remove unused cairo_sys

 rsvg_internals/benches/box_blur.rs        | 1 -
 rsvg_internals/benches/composite.rs       | 1 -
 rsvg_internals/benches/lighting.rs        | 1 -
 rsvg_internals/benches/pixel_iterators.rs | 1 -
 rsvg_internals/benches/srgb.rs            | 1 -
 5 files changed, 5 deletions(-)
---
diff --git a/rsvg_internals/benches/box_blur.rs b/rsvg_internals/benches/box_blur.rs
index fd04d3a8..2ffc3de5 100644
--- a/rsvg_internals/benches/box_blur.rs
+++ b/rsvg_internals/benches/box_blur.rs
@@ -3,7 +3,6 @@ extern crate criterion;
 use criterion::Criterion;
 
 use cairo;
-use cairo_sys;
 use rsvg_internals;
 
 use rsvg_internals::rect::IRect;
diff --git a/rsvg_internals/benches/composite.rs b/rsvg_internals/benches/composite.rs
index 2af46ed4..48a69097 100644
--- a/rsvg_internals/benches/composite.rs
+++ b/rsvg_internals/benches/composite.rs
@@ -3,7 +3,6 @@ extern crate criterion;
 use criterion::{black_box, Criterion};
 
 use cairo;
-use cairo_sys;
 use rsvg_internals;
 
 use rsvg_internals::filters::composite::composite_arithmetic;
diff --git a/rsvg_internals/benches/lighting.rs b/rsvg_internals/benches/lighting.rs
index 28b2e456..9a89e1b5 100644
--- a/rsvg_internals/benches/lighting.rs
+++ b/rsvg_internals/benches/lighting.rs
@@ -3,7 +3,6 @@ extern crate criterion;
 use criterion::Criterion;
 
 use cairo;
-use cairo_sys;
 use nalgebra;
 use rsvg_internals;
 
diff --git a/rsvg_internals/benches/pixel_iterators.rs b/rsvg_internals/benches/pixel_iterators.rs
index 910c0133..765f825d 100644
--- a/rsvg_internals/benches/pixel_iterators.rs
+++ b/rsvg_internals/benches/pixel_iterators.rs
@@ -3,7 +3,6 @@ extern crate criterion;
 use criterion::{black_box, Criterion};
 
 use cairo;
-use cairo_sys;
 use rsvg_internals;
 
 use rsvg_internals::rect::IRect;
diff --git a/rsvg_internals/benches/srgb.rs b/rsvg_internals/benches/srgb.rs
index d9026eb5..37b67748 100644
--- a/rsvg_internals/benches/srgb.rs
+++ b/rsvg_internals/benches/srgb.rs
@@ -3,7 +3,6 @@ extern crate criterion;
 use criterion::{black_box, Criterion};
 
 use cairo;
-use cairo_sys;
 use rsvg_internals;
 
 use rsvg_internals::rect::IRect;