Debugger: improve tooltip handling for cdb

Fixes: QTCREATORBUG-13413
Change-Id: I93cde8d11867ab8cec8a2f760f0f38a0935fe946
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/debugger/cdb/cdbengine.cpp

@@ -237,15 +237,6 @@ void CdbEngine::adjustOperateByInstruction(bool operateByInstruction)
     runCommand({QLatin1String(m_lastOperateByInstruction ? "l-t" : "l+t"), NoFlags});
 }
 
-bool CdbEngine::canHandleToolTip(const DebuggerToolTipContext &context) const
-{
-    Q_UNUSED(context)
-    // Tooltips matching local variables are already handled in the
-    // base class. We don't handle anything else here in CDB
-    // as it can slow debugging down.
-    return false;
-}
-
 // Determine full path to the CDB extension library.
 QString CdbEngine::extensionLibraryName(bool is64Bit, bool isArm)
 {

src/plugins/debugger/cdb/cdbengine.h

@@ -26,8 +26,6 @@ public:
     explicit CdbEngine();
     ~CdbEngine() override;
 
-    bool canHandleToolTip(const DebuggerToolTipContext &context) const override;
-
     void setupEngine() override;
     void runEngine();
     void shutdownInferior() override;