[analyzer] Remove the useless method declararion 'BugReporter::RemoveUnneededCalls()'.

[MTC]

Summary

Since a static function static bool removeUnneededCalls(...) is defined in BugReporter.cpp, BugReporter::RemoveUnneededCalls() is no longer needed.

[NoQ]

Yep, weird. Thanks :)

include/clang/StaticAnalyzer/Core/BugReporter/BugReporter.h

public:
   AnalyzerOptions& getAnalyzerOptions() { return D.getAnalyzerOptions(); }
 
   virtual bool generatePathDiagnostic(PathDiagnostic& pathDiagnostic,
                                       PathDiagnosticConsumer &PC,
                                       ArrayRef<BugReport *> &bugReports) {
     return true;
   }
 
-  bool RemoveUnneededCalls(PathPieces &pieces, BugReport *R);
-
   void Register(BugType *BT);
 
   /// \brief Add the given report to the set of reports tracked by BugReporter.
   ///
   /// The reports are usually generated by the checkers. Further, they are
   /// folded based on the profile value, which is done to coalesce similar
   /// reports.
   void emitReport(std::unique_ptr<BugReport> R);