Merge bitcoin/bitcoin#26565: contrib/builder-keys/keys.txt: remove unavailable key

dddfa02 contrib/builder-keys/keys.txt: remove unavailable key (@RandyMcMillan)

Pull request description:

ACKs for top commit:
  fanquake:
    ACK dddfa02

Tree-SHA512: e7bd2d9d828b44c4343478c68d01530621677f5c66912a4181815e66ef1926dfc66e6a7652789677ae263684d30a39da038b8ca669ad24833c1f104244c2a2b1

Author: fanquake

contrib/builder-keys/keys.txt

@@ -22,7 +22,6 @@ D35176BE9264832E4ACA8986BF0792FBE95DC863 fivepiece (fivepiece)
 01CDF4627A3B88AAE4A571C87588242FBE38D3A8 Gavin Andresen (gavinandresen)
 6B002C6EA3F91B1B0DF0C9BC8F617F1200A6D25C Gloria Zhao (glozow)
 D1DBF2C4B96F2DEBF4C16654410108112E7EA81F Hennadii Stepanov (hebasto)
-A2FD494D0021AA9B4FA58F759102B7AE654A4A5A Ilyas Ridhuan (IlyasRidhuan)
 2688F5A9A4BE0F295E921E8A25F27A38A47AD566 James O'Beirne (jamesob)
 D3F22A3A4C366C2DCB66D3722DA9C5A7FA81EA35 Jarol Rodriguez (jarolrod)
 7480909378D544EA6B6DCEB7535B12980BB8A4D3 Jeffri H Frontz (jhfrontz)