Fix Clippy (#2522)

* Import Clippy config from Polkadot

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Auto clippy fix

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* No tabs in comments

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Prefer matches

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Dont drop references

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Trivial

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Refactor

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* fmt

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* add clippy to ci

* Clippy reborrow

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update client/pov-recovery/src/lib.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update client/pov-recovery/src/lib.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Partially revert 'Prefer matches'

Using matches! instead of match does give less compiler
checks as per review from @chevdor.

Partially reverts 8c0609677f3ea040f77fffd5be6facf7c3fec95c

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update .cargo/config.toml

Co-authored-by: Chevdor <chevdor@users.noreply.github.com>

* Revert revert 💩

Should be fine to use matches! macro since it is an explicit whitelist,
not wildcard matching.

---------

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: alvicsam <alvicsam@gmail.com>
Co-authored-by: Bastian Köcher <git@kchr.de>
Co-authored-by: Chevdor <chevdor@users.noreply.github.com>
Co-authored-by: parity-processbot <>

client/consensus/aura/src/import_queue.rs

@@ -51,7 +51,7 @@ pub struct ImportQueueParams<'a, I, C, CIDP, S> {
 }
 
 /// Start an import queue for the Aura consensus algorithm.
-pub fn import_queue<'a, P, Block, I, C, S, CIDP>(
+pub fn import_queue<P, Block, I, C, S, CIDP>(
 	ImportQueueParams {
 		block_import,
 		client,
@@ -59,7 +59,7 @@ pub fn import_queue<'a, P, Block, I, C, S, CIDP>(
 		spawner,
 		registry,
 		telemetry,
-	}: ImportQueueParams<'a, I, C, CIDP, S>,
+	}: ImportQueueParams<'_, I, C, CIDP, S>,
 ) -> Result<DefaultImportQueue<Block, C>, sp_consensus::Error>
 where
 	Block: BlockT,