Rename solana-runtime to sealevel (#6239)

automerge

runtime/benches/message_processor.rs

@@ -1,14 +0,0 @@
-#![feature(test)]
-
-extern crate test;
-
-use solana_runtime::message_processor::*;
-use test::Bencher;
-
-#[bench]
-fn bench_has_duplicates(bencher: &mut Bencher) {
-    bencher.iter(|| {
-        let data = test::black_box([1, 2, 3]);
-        assert!(!has_duplicates(&data));
-    })
-}