[lldb] Remove lldb-repro utility

Remove lldb-repro which was used to run the test suite against a
reproducer. The corresponding functionality has been removed from LLDB
so there's no need for the tool anymore.

lldb/test/Shell/ScriptInterpreter/Python/Crashlog/lit.local.cfg

@@ -1,9 +1,6 @@
 if 'system-darwin' not in config.available_features:
   config.unsupported = True
 
-if 'lldb-repro' in config.available_features:
-  config.unsupported = True
-
 config.environment["LLDB_APPLE_DSYMFORUUID_EXECUTABLE"] = ""
 
 # Temporary parallel image loading deadlock workaround

lldb/test/Shell/ScriptInterpreter/Python/fail_breakpoint_oneline.test

@@ -1,5 +1,3 @@
-# UNSUPPORTED: lldb-repro
-#
 # RUN: %lldb -s %s --script-language python 2>&1 | FileCheck %s
 b main
 breakpoint command add -s python -o "1234_foo"

lldb/test/Shell/ScriptInterpreter/Python/sb_address_exception.test

@@ -1,5 +1,3 @@
-# UNSUPPORTED: lldb-repro
-#
 # Test that the SBAddress properties throw an exception when used outside of
 # the interactive script interpreter.
 #

lldb/test/Shell/ScriptInterpreter/Python/scripted_breakpoint.test

@@ -1,5 +1,3 @@
-# UNSUPPORTED: lldb-repro
-#
 # Test that the scripting language argument to "breakpoint command" is honored
 # even if the global scripting language is different.
 #

lldb/test/Shell/ScriptInterpreter/Python/scripted_breakpoint_lua.test

@@ -1,5 +1,4 @@
 # REQUIRES: python
-# UNSUPPORTED: lldb-repro
 #
 # RUN: cat %s | %lldb --script-language lua 2>&1 | FileCheck %s
 b main