scripts/keys: remove old expired or revoked keys

Fixes #10093.
This commit removes some old signing keys that haven't been used to sign
in a while and have either expired or been revoked.

=== scripts/keys/arshbot.asc ===
KeyID: 90E00CCB1C74C611 Created: 2018-08-08 Expires: 2022-08-08 Revoked: NO

=== scripts/keys/Crypt-iQ.asc ===
KeyID: 118759E83439A9B1 Created: 2019-05-31 Expires: 2022-10-13 Revoked: NO

lightningdevkit/rust-lightning#2029

Author: guggero

scripts/keys/Crypt-iQ.asc

@@ -22,10 +22,7 @@ KEYS=()
 KEYS+=("F4FC70F07310028424EFC20A8E4256593F177720 guggero")
 KEYS+=("15E7ECF257098A4EF91655EB4CA7FE54A6213C91 carlaKC")
 KEYS+=("A5B61896952D9FDA83BC054CDC42612E89237182 roasbeef")
-KEYS+=("729E9D9D92C75A5FBFEEE057B5DD717BEF7CA5B1 wpaulino")
-KEYS+=("7E81EF6B9989A9CC93884803118759E83439A9B1 Crypt-iQ")
 KEYS+=("9FC6B0BFD597A94DBF09708280E5375C094198D8 bhandras")
-KEYS+=("E97A1AB6C77A1D2B72F50A6F90E00CCB1C74C611 arshbot")
 KEYS+=("EB13A98091E8D67CDD7FC5A7E9FE7FE00AD163A4 positiveblue")
 KEYS+=("26984CB69EB8C4A26196F7A4D7D916376026F177 ellemouton")
 KEYS+=("FE5E159A70C436D6AF4D2887B1F8848557AA29D2 ffranr")