style: Migrate to stable-only rustfmt configuration

- Remove nightly-only features from .rustfmt.toml and vendor/ss58-registry/rustfmt.toml
- Removed features: imports_granularity, wrap_comments, comment_width,
  reorder_impl_items, spaces_around_ranges, binop_separator,
  match_arm_blocks, trailing_semicolon, trailing_comma
- Format all 898 affected files with stable rustfmt
- Ensures long-term reliability without nightly toolchain dependency

templates/teyrchain/node/src/command.rs

@@ -192,14 +192,15 @@ pub fn run() -> Result<()> {
 			let runner = cli.create_runner(cmd)?;
 			// Switch on the concrete benchmark sub-command-
 			match cmd {
-				BenchmarkCmd::Pezpallet(cmd) =>
+				BenchmarkCmd::Pezpallet(cmd) => {
 					if cfg!(feature = "runtime-benchmarks") {
 						runner.sync_run(|config| cmd.run_with_spec::<pezsp_runtime::traits::HashingFor<Block>, ReclaimHostFunctions>(Some(config.chain_spec)))
 					} else {
 						Err("Benchmarking wasn't enabled when building the node. \
 					You can enable it with `--features runtime-benchmarks`."
 							.into())
-					},
+					}
+				},
 				BenchmarkCmd::Block(cmd) => runner.sync_run(|config| {
 					let partials = new_partial(&config)?;
 					cmd.run(partials.client)