citra_qt: Remove VFP registers, since this isn't used anyways and caused an assert.

src/citra_qt/debugger/registers.cpp

@@ -65,10 +65,6 @@ void RegistersWidget::OnDebugModeEntered() {
         core_registers->child(i)->setText(
             1, QString("0x%1").arg(Core::CPU().GetReg(i), 8, 16, QLatin1Char('0')));
 
-    for (int i = 0; i < vfp_registers->childCount(); ++i)
-        vfp_registers->child(i)->setText(
-            1, QString("0x%1").arg(Core::CPU().GetVFPReg(i), 8, 16, QLatin1Char('0')));
-
     UpdateCPSRValues();
 }