GUI: Options: Remove the upper-bound limit from pruning size setting

Hypothetically, someone may wish to begin pruning at a future blockchain size, and there's no reason to limit it lower

Author: luke-jr

src/qt/optionsdialog.cpp

@@ -150,7 +150,7 @@ void OptionsDialog::setModel(OptionsModel *_model)
 
         // Prune values are in GB to be consistent with intro.cpp
         static constexpr uint64_t nMinDiskSpace = (MIN_DISK_SPACE_FOR_BLOCK_FILES / GB_BYTES) + (MIN_DISK_SPACE_FOR_BLOCK_FILES % GB_BYTES) ? 1 : 0;
-        ui->pruneSize->setRange(nMinDiskSpace, _model->node().getAssumedBlockchainSize());
+        ui->pruneSize->setRange(nMinDiskSpace, std::numeric_limits<int>::max());
 
         QString strLabel = _model->getOverriddenByCommandLine();
         if (strLabel.isEmpty())