[consensus] remove narwhal (#20617)

## Description 

Goodbye Narwhal! 

There are some small cleanups that still need to be done in follow up
PRs

.config/nextest.toml

@@ -10,19 +10,6 @@ retries = 3
 # Timeout tests after 4 minutes
 slow-timeout = { period = "60s", terminate-after = 5 }
 
-[profile.narwhalnightly]
-# Print out output for failing tests as soon as they fail, and also at the end
-# of the run (for easy scrollability).
-failure-output = "immediate-final"
-# Show skipped tests in the CI output.
-status-level = "skip"
-# Do not cancel the test run on the first failure.
-fail-fast = false
-# Do not retry failing tests
-retries = 0
-# Mark tests as slow after 7 hours, kill them right after
-slow-timeout = { period = "7h", terminate-after = 1 }
-
 [profile.simtestnightly]
 # Print out output for failing tests as soon as they fail, and also at the end
 # of the run (for easy scrollability).

.github/CODEOWNERS

@@ -18,14 +18,10 @@ CHANGELOG.md
 /crates/sui-graphql-rpc/ @oxade @amnn @wlmyng @stefan-mysten @emmazzz @suiwombat
 /crates/sui-graphql-e2e-tests/ @oxade @amnn @wlmyng @stefan-mysten @emmazzz @suiwombat
 
-
-# Notify Narwhal changes to interested folks.
-/narwhal/crypto/ @joyqvq @kchalkias
-/narwhal/executor/ @asonnino @akichidis @laura-makdah
-/narwhal/network/ @bmwill
-/narwhal/storage/ @akichidis
-
-/crates/sui-core/src/consensus_adapter.rs @laura-makdah
+# Consensus working group
+/consensus/ @MystenLabs/consensus
+/crates/sui-core/src/consensus_handler.rs @MystenLabs/consensus
+/crates/sui-core/src/consensus_adapter.rs @MystenLabs/consensus
 
 apps/ @MystenLabs/fe-and-apps
 sdk/ @MystenLabs/sdk-reviewers

.github/actions/diffs/action.yml

@@ -42,7 +42,6 @@ runs:
           - 'consensus/**'
           - 'crates/**'
           - 'external-crates/**'
-          - 'narwhal/**'
           - 'sui-execution/**'
           - '.github/workflows/cargo-llvm-cov.yml'
           - '.github/workflows/rust.yml'
@@ -77,7 +76,6 @@ runs:
           - 'docker/**'
           - 'external-crates/**'
           - 'kiosk/**'
-          - 'narwhal/**'
           - 'nre/**'
           - 'sui-execution/**'
         isMoveAutoFormatter:

.gitignore

@@ -17,7 +17,6 @@ build
 storage
 !consensus/core/src/storage
 !crates/sui-types/src/storage
-!narwhal/storage
 
 # Move-related files
 Move.lock