Debugger: Remove DebuggerEngine::stateAcceptsBreakpointChanges()

Dead code since 3b5ecac238 (the end of the hybrid engine).

Change-Id: Ibb169ff657c8a88fdc52783a6a1f5b79fa0b29e5
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/debugger/gdb/gdbengine.cpp

@@ -2349,20 +2349,6 @@ void GdbEngine::handleBreakCondition(const DebuggerResponse &, const Breakpoint
     updateBreakpoint(bp); // Maybe there's more to do.
 }
 
-bool GdbEngine::stateAcceptsBreakpointChanges() const
-{
-    switch (state()) {
-    case EngineSetupRequested:
-    case InferiorRunRequested:
-    case InferiorRunOk:
-    case InferiorStopRequested:
-    case InferiorStopOk:
-        return true;
-    default:
-        return false;
-    }
-}
-
 bool GdbEngine::acceptsBreakpoint(const BreakpointParameters &bp) const
 {
     if (runParameters().startMode == AttachCore)

src/plugins/debugger/gdb/gdbengine.h

@@ -185,7 +185,6 @@ private: ////////// General Interface //////////
     ////////// Inferior Management //////////
 
     // This should be always the last call in a function.
-    bool stateAcceptsBreakpointChanges() const final;
     bool acceptsBreakpoint(const BreakpointParameters &bp) const final;
     void insertBreakpoint(const Breakpoint &bp) final;
     void removeBreakpoint(const Breakpoint &bp) final;