Frame System Benchmarking (#5834)

* Frame System Benchmarking

* Add to substrate node, avoid divide by zero errors in analysis

* reduce features

* some fixes

* copy pasta

substrate/frame/system/src/lib.rs

@@ -470,7 +470,6 @@ decl_error! {
 		///
 		/// Either calling `Core_version` or decoding `RuntimeVersion` failed.
 		FailedToExtractRuntimeVersion,
-
 		/// Suicide called when the account has non-default composite data.
 		NonDefaultComposite,
 		/// There is a non-zero reference count preventing the account from being purged.
@@ -629,10 +628,8 @@ decl_module! {
 		/// data is equal to its default value.
 		///
 		/// # <weight>
-		/// - `O(K)` with `K` being complexity of `on_killed_account`
+		/// - `O(1)`
 		/// - 1 storage read and deletion.
-		/// - 1 call to `on_killed_account` callback with unknown complexity `K`
-		/// - 1 event.
 		/// # </weight>
 		#[weight = (25_000_000, DispatchClass::Operational)]
 		fn suicide(origin) {