[lldbsuite] Remove unused support files

To the best of my understanding these files or their content is nowhere
referenced.

lldb/packages/Python/lldbsuite/support/fs.py

@@ -1,64 +0,0 @@
-"""
-Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-See https://llvm.org/LICENSE.txt for license information.
-SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-
-Prepares language bindings for LLDB build process.  Run with --help
-to see a description of the supported command line arguments.
-"""
-
-# Python modules:
-import os
-import platform
-import sys
-
-
-def _find_file_in_paths(paths, exe_basename):
-    """Returns the full exe path for the first path match.
-
-    @params paths the list of directories to search for the exe_basename
-    executable
-    @params exe_basename the name of the file for which to search.
-    e.g. "swig" or "swig.exe".
-
-    @return the full path to the executable if found in one of the
-    given paths; otherwise, returns None.
-    """
-    for path in paths:
-        trial_exe_path = os.path.join(path, exe_basename)
-        if os.path.exists(trial_exe_path):
-            return os.path.normcase(trial_exe_path)
-    return None
-
-
-def find_executable(executable):
-    """Finds the specified executable in the PATH or known good locations."""
-
-    # Figure out what we're looking for.
-    if platform.system() == "Windows":
-        executable = executable + ".exe"
-        extra_dirs = []
-    else:
-        extra_dirs = ["/usr/local/bin"]
-
-    # Figure out what paths to check.
-    path_env = os.environ.get("PATH", None)
-    if path_env is not None:
-        paths_to_check = path_env.split(os.path.pathsep)
-    else:
-        paths_to_check = []
-
-    # Add in the extra dirs
-    paths_to_check.extend(extra_dirs)
-    if len(paths_to_check) < 1:
-        raise os.OSError(
-            "executable was not specified, PATH has no "
-            "contents, and there are no extra directories to search")
-
-    result = _find_file_in_paths(paths_to_check, executable)
-
-    if not result or len(result) < 1:
-        raise os.OSError(
-            "failed to find exe='%s' in paths='%s'" %
-            (executable, paths_to_check))
-    return result

lldb/packages/Python/lldbsuite/support/sockutil.py

@@ -1,23 +0,0 @@
-"""
-Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-See https://llvm.org/LICENSE.txt for license information.
-SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-
-Helper functions for working with sockets.
-"""
-
-# Python modules:
-import io
-import socket
-
-# LLDB modules
-import use_lldb_suite
-
-
-def recvall(sock, size):
-    bytes = io.BytesIO()
-    while size > 0:
-        this_result = sock.recv(size)
-        bytes.write(this_result)
-        size -= len(this_result)
-    return bytes.getvalue()