lint: Remove forbidden functions from lint-format-strings.py

Given that all of them are forbidden by the
test/lint/lint-locale-dependence.py check, they can be removed.

test/lint/lint-format-strings.py

@@ -17,7 +17,6 @@ import sys
 
 FUNCTION_NAMES_AND_NUMBER_OF_LEADING_ARGUMENTS = [
     'FatalErrorf,0',
-    'fprintf,1',
     'tfm::format,1',  # Assuming tfm::::format(std::ostream&, ...
     'LogConnectFailure,1',
     'LogError,0',
@@ -27,14 +26,7 @@ FUNCTION_NAMES_AND_NUMBER_OF_LEADING_ARGUMENTS = [
     'LogTrace,1',
     'LogPrintf,0',
     'LogPrintLevel,2',
-    'printf,0',
-    'snprintf,2',
-    'sprintf,1',
     'strprintf,0',
-    'vfprintf,1',
-    'vprintf,1',
-    'vsnprintf,1',
-    'vsprintf,1',
     'WalletLogPrintf,0',
 ]
 RUN_LINT_FILE = 'test/lint/run-lint-format-strings.py'