Revert "Add pc check for instruction stepping by breakpoints"

Landing this in a separate PR
llvm#108504

This reverts commit 48a0fc1.

Author: jasonmolenda

lldb/source/Plugins/Process/FreeBSD/NativeProcessFreeBSD.cpp

@@ -319,12 +319,9 @@ void NativeProcessFreeBSD::MonitorSIGTRAP(lldb::pid_t pid) {
                info.pl_siginfo.si_addr);
 
       if (thread) {
-        auto &regctx = static_cast<NativeRegisterContextFreeBSD &>(
-            thread->GetRegisterContext());
         auto thread_info =
             m_threads_stepping_with_breakpoint.find(thread->GetID());
-        if (thread_info != m_threads_stepping_with_breakpoint.end() &&
-            threads_info->second == regctx.GetPC()) {
+        if (thread_info != m_threads_stepping_with_breakpoint.end()) {
           thread->SetStoppedByTrace();
           Status brkpt_error = RemoveBreakpoint(thread_info->second);
           if (brkpt_error.Fail())

lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp

@@ -829,11 +829,8 @@ void NativeProcessLinux::MonitorBreakpoint(NativeThreadLinux &thread) {
   thread.SetStoppedByBreakpoint();
   FixupBreakpointPCAsNeeded(thread);
 
-  NativeRegisterContextLinux &reg_ctx = thread.GetRegisterContext();
-  auto stepping_with_bp_it =
-      m_threads_stepping_with_breakpoint.find(thread.GetID());
-  if (stepping_with_bp_it != m_threads_stepping_with_breakpoint.end() &&
-      stepping_with_bp_it->second == reg_ctx.GetPC())
+  if (m_threads_stepping_with_breakpoint.find(thread.GetID()) !=
+      m_threads_stepping_with_breakpoint.end())
     thread.SetStoppedByTrace();
 
   StopRunningThreads(thread.GetID());