config: Remove args parameter from ConfigFileFinder.__init__

Now that `args` parameters is not being used, it is safe to remove from
the constructor signature.

Further work is required to evaluate and clean-up tearing out the
threading-through of `args` from various callers and tests.

src/flake8/main/application.py

@@ -163,7 +163,7 @@ class Application(object):
         """
         if self.config_finder is None:
             self.config_finder = config.ConfigFileFinder(
-                self.option_manager.program_name, args, append_config
+                self.option_manager.program_name, append_config
             )
 
     def find_plugins(self, config_file, ignore_config_files):

src/flake8/options/config.py

@@ -16,14 +16,12 @@ __all__ = ("ConfigFileFinder", "MergedConfigParser")
 class ConfigFileFinder(object):
     """Encapsulate the logic for finding and reading config files."""
 
-    def __init__(self, program_name, args, extra_config_files):
-        # type: (str, List[str], List[str]) -> None
+    def __init__(self, program_name, extra_config_files):
+        # type: (str, List[str]) -> None
         """Initialize object to find config files.
 
         :param str program_name:
             Name of the current program (e.g., flake8).
-        :param list args:
-            The extra arguments passed on the command-line.
         :param list extra_config_files:
             Extra configuration files specified by the user to read.
         """