Fix clippy lint

Author: svenstaro

fuzz/fuzz_targets/fuzz.rs

@@ -415,11 +415,9 @@ impl<const D: usize> Workload<D> {
         if let Some(max_shapes) = env::var("MAX_SHAPES")
             .ok()
             .map(|s| usize::from_str(&s).expect("MAX_SHAPES"))
-        {
-            if !self.mutations.is_empty() || self.shapes.len() > max_shapes {
+            && (!self.mutations.is_empty() || self.shapes.len() > max_shapes) {
                 return;
             }
-        }
 
         let mut bvh = Bvh::build(&mut self.shapes);