merge bitcoin#28692: Delete i2p fuzz test

Author: kwvg

src/Makefile.test.include

@@ -289,7 +289,6 @@ test_fuzz_fuzz_SOURCES = \
  test/fuzz/golomb_rice.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 \