Merge bitcoin/bitcoin#25850: doc: Remove my key from SECURITY.md

38a911e doc: Remove my key from SECURITY.md (laanwj)

Pull request description:

  As I am no longer on the `[email protected]` alias, there is no point in asking people to GPG-encrypt to me. Remove it.

ACKs for top commit:
  fanquake:
    ACK 38a911e

Tree-SHA512: 6f7a9aad9a2d1b2f5ce89b2521d103a7093b9ebb54e7388bfb2836b89ddb592878955088b4d2d8a141ee532a7b35d3a74737fb161280c029f1f2a3eacec99b73

Author: MacroFake

SECURITY.md

@@ -13,7 +13,6 @@ The following keys may be used to communicate sensitive information to developer
 
 | Name | Fingerprint |
 |------|-------------|
-| Wladimir van der Laan | 71A3 B167 3540 5025 D447  E8F2 7481 0B01 2346 C9A6 |
 | Pieter Wuille | 133E AC17 9436 F14A 5CF1  B794 860F EB80 4E66 9320 |
 | Michael Ford | E777 299F C265 DD04 7930  70EB 944D 35F9 AC3D B76A |