[lldb][sbapi] Remove commented out typedef from SBBreakpointName

SBBreakpointName has a typedef for BreakpointHitCallback used in
SetCallback(), but this typedef has been commented out in
SBBreakpointName and added instead to SBDefines. Since SB API callbacks
are placed in SBDefines, this commit removes this commented out portion.

Author: chelcassanova

lldb/include/lldb/API/SBBreakpointName.h

@@ -17,10 +17,6 @@ namespace lldb {
 
 class LLDB_API SBBreakpointName {
 public:
-//  typedef bool (*BreakpointHitCallback)(void *baton, SBProcess &process,
-//                                        SBThread &thread,
-//                                        lldb::SBBreakpointLocation &location);
-
   SBBreakpointName();
 
   SBBreakpointName(SBTarget &target, const char *name);