Merge bitcoin/bitcoin#28692: fuzz: Delete i2p fuzz test

dd4dcbd [fuzz] Delete i2p target (dergoegge)

Pull request description:

  closes #28665

  The target is buggy and doesn't reach basic coverage.

ACKs for top commit:
  maflcko:
    lgtm ACK dd4dcbd
  glozow:
    ACK dd4dcbd, agree it's better to delete this test until somebody wants to write a better one

Tree-SHA512: b6ca6cad1773b1ceb6e5ac0fd501ea615f66507ef811745799deaaa4460f1700d96ae03cf55b740a96ed8cd2283b3d6738cd580ba97f2af619197d6c4414ca21

Author: fanquake

src/Makefile.test.include

@@ -280,7 +280,6 @@ test_fuzz_fuzz_SOURCES = \
  test/fuzz/headerssync.cpp \
  test/fuzz/hex.cpp \
  test/fuzz/http_request.cpp \
- test/fuzz/i2p.cpp \
  test/fuzz/integer.cpp \
  test/fuzz/key.cpp \
  test/fuzz/key_io.cpp \