[debuginfo-tests] Delete unused/duplicate imports

debuginfo-tests/lit.cfg.py

 # -*- Python -*-
 
 import os
 import platform
 import re
 import subprocess
 import sys
-import tempfile
 
 import lit.formats
 import lit.util
 
 from lit.llvm import llvm_config
 from lit.llvm.subst import ToolSubst
-from lit.llvm.subst import FindTool
 
 # Configuration file for the 'lit' test runner.
 
 # name: The name of this test suite.
 config.name = 'debuginfo-tests'
 
 # testFormat: The test format to use to interpret tests.
 #

 tool_dirs = [config.llvm_tools_dir]
 
 llvm_config.add_tool_substitutions(tools, tool_dirs)
 
 lit.util.usePlatformSdkOnDarwin(config, lit_config)
 
 # available_features: REQUIRES/UNSUPPORTED lit commands look at this list.
 if platform.system() == 'Darwin':
-    import subprocess
     xcode_lldb_vers = subprocess.check_output(['xcrun', 'lldb', '--version']).decode("utf-8")
     match = re.search('lldb-(\d+)', xcode_lldb_vers)
     if match:
         apple_lldb_vers = int(match.group(1))
         if apple_lldb_vers < 1000:
             config.available_features.add('apple-lldb-pre-1000')
 
 llvm_config.feature_config(
     [('--build-mode', {'Debug|RelWithDebInfo': 'debug-info'})]
 )