Revert "[lldb] [Host/freebsd] Set Arg0 for 'platform process list -v'"

Accidentally referenced the wrong diff.

This reverts commit fce8e75889.

lldb/source/Host/freebsd/Host.cpp

@@ -83,7 +83,6 @@ GetFreeBSDProcessArgs(const ProcessInstanceInfoMatch *match_info_ptr,
                     match_info_ptr->GetProcessInfo().GetName())))
     return false;
 
-  process_info.SetArg0(cstr);
   Args &proc_args = process_info.GetArguments();
   while (1) {
     const uint8_t *p = data.PeekData(offset, 1);

lldb/test/API/commands/platform/process/list/TestProcessList.py

@@ -19,6 +19,7 @@ class ProcessListTestCase(TestBase):
 
     @skipIfWindows  # https://bugs.llvm.org/show_bug.cgi?id=43702
     @skipIfRemote   # rdar://problem/66542336
+    @expectedFailureAll(oslist=['freebsd'])
     def test_process_list_with_args(self):
         """Test process list show process args"""
         self.build()