Optimize edge

• Inline filter dimensions into edge detection Juno code.
  • This is fair, since in the HPVM baseline, the dimensions are known at compile time via #defines.

juno_samples/edge_detection/benches/edge_detection_bench.rs

@@ -87,7 +87,6 @@ fn edge_detection_bench(c: &mut Criterion) {
                     r.run(
                         height as u64,
                         width as u64,
-                        gs as u64,
                         input_h.to(),
                         gaussian_filter_h,
                         structure_h,