Deprecate commitment variants (#14797)

* Deprecate commitment variants

* Add new CommitmentConfig builders

* Add helpers to avoid allowing deprecated variants

* Remove deprecated transaction-status code

* Include new commitment variants in runtime commitment; allow deprecated as long as old variants persist

* Remove deprecated banks code

* Remove deprecated variants in core; allow deprecated in rpc/rpc-subscriptions for now

* Heavier hand with rpc/rpc-subscription commitment

* Remove deprecated variants from local-cluster

* Remove deprecated variants from various tools

* Remove deprecated variants from validator

* Update docs

* Remove deprecated client code

* Add new variants to cli; remove deprecated variants as possible

* Don't send new commitment variants to old clusters

* Retain deprecated method in test_validator_saves_tower

* Fix clippy matches! suggestion for BPF solana-sdk legacy compile test

* Refactor node version check to handle commitment variants and transaction encoding

* Hide deprecated variants from cli help

* Add cli App comments

cli/src/main.rs

@@ -300,10 +300,20 @@ fn main() -> Result<(), Box<dyn error::Error>> {
         Arg::with_name("commitment")
             .long("commitment")
             .takes_value(true)
-            .possible_values(&["recent", "single", "singleGossip", "root", "max"])
+            .possible_values(&[
+                "processed",
+                "confirmed",
+                "finalized",
+                "recent", // Deprecated as of v1.5.5
+                "single", // Deprecated as of v1.5.5
+                "singleGossip", // Deprecated as of v1.5.5
+                "root", // Deprecated as of v1.5.5
+                "max", // Deprecated as of v1.5.5
+            ])
             .value_name("COMMITMENT_LEVEL")
+            .hide_possible_values(true)
             .global(true)
-            .help("Return information at the selected commitment level"),
+            .help("Return information at the selected commitment level [possible values: processed, confirmed, finalized]"),
     )
     .arg(
         Arg::with_name("verbose")