debuginfo: Remove atexit()-debugger shutdown from lldb_batchmode.py

The shutdown call would always result in an exception being printed to standard error.

Author: michaelwoerister

src/etc/lldb_batchmode.py

@@ -31,9 +31,6 @@
 import re
 import atexit
 
-# Terminate the debugger
-atexit.register(lambda: lldb.SBDebugger.Terminate())
-
 # Set this to True for additional output
 DEBUG_OUTPUT = False