util: Use compile-time check for LogConnectFailure

test/lint/lint-format-strings.py

@@ -17,7 +17,6 @@ import sys
 
 FUNCTION_NAMES_AND_NUMBER_OF_LEADING_ARGUMENTS = [
     'tfm::format,1',  # Assuming tfm::::format(std::ostream&, ...
-    'LogConnectFailure,1',
     'LogError,0',
     'LogWarning,0',
     'LogInfo,0',

test/lint/run-lint-format-strings.py

@@ -13,7 +13,6 @@ import re
 import sys
 
 FALSE_POSITIVES = [
-    ("src/netbase.cpp", "LogConnectFailure(bool manual_connection, const char* fmt, const Args&... args)"),
     ("src/clientversion.cpp", "strprintf(_(COPYRIGHT_HOLDERS).translated, COPYRIGHT_HOLDERS_SUBSTITUTION)"),
     ("src/test/translation_tests.cpp", "strprintf(format, arg)"),
     ("src/validationinterface.cpp", "LogDebug(BCLog::VALIDATION, fmt \"\\n\", __VA_ARGS__)"),