Merge bitcoin/bitcoin#27135: Remove MarcoFalke fingerprint, update trusted-git-root

fab17f08e2 Revert "[contrib] verify-commits: Add MarcoFalke fingerprint" (MarcoFalke)

Pull request description:

  This reverts commit fa24329334.

  The commit may be signed by my key, but I haven't checked it. Also, I haven't checked the new `contrib/verify-commits/trusted-git-root`.

ACKs for top commit:
  achow101:
    ACK fab17f08e2
  glozow:
    ACK fab17f08e2

Tree-SHA512: 485fb302f7e42704412afffd6c09a031f63df18f259b27282b8373d5bf95b0ec72426cec476d88bf23e793a6e1dae4c1df2059645961806e34b50448ebf1862a

contrib/verify-commits/trusted-git-root

@@ -1 +1 @@
-8ef096d4f8e08ac691502e3fd34721a8bdfa9044
+437dfe1c26e752c280014a30f809e62c684ad99e

contrib/verify-commits/trusted-keys

@@ -1,4 +1,3 @@
-B8B3F1C0E58C15DB6A81D30C3648A882F4316B9B
 E777299FC265DD04793070EB944D35F9AC3DB76A
 D1DBF2C4B96F2DEBF4C16654410108112E7EA81F
 152812300785C96444D3334D17565732E08E5E41