Now, take the following script and save it to your Scripts directory (.js or .jsx, doesn't matter):

Now, take the following script, copy/paste into a text editor, and save it to your Scripts directory (as a .js or .jsx file, doesn't matter):

try // to get the path of the file that's active when you run the script.
{
    var OpenFilePath = app.documents.item(0).fullName; // Declare a variable representing the open document.
    var OpenFile = app.open(File(OpenFilePath), true, 1332757360); // Create a duplicate to work with. In Adobe's world, "1332757360" means "open a copy".
}
catch (err)
{
    var OpenFile = "error";
    alert("Please save this file before using the script.");
}

var OpenFileLength = OpenFile.pages.length; // Get number of pages of open document and master file.

// These help make the array that stores master markers.
var ArrayCounter = 0;
var MasterMarkersOpenFile = new Array();

for (var i=0; i<OpenFileLength; i++) // Loop through every page.
{
    ItemsOnPage = OpenFile.pages.item(i).pageItems.length; // Get the number of items on the page.
    
    for (var j=0; j<ItemsOnPage; j++) // Loop through every item.
    {
        var ScriptLabel = OpenFile.pages.item(i).pageItems.item(j).label;   

        if (ScriptLabel != "" && ScriptLabel.indexOf("DRAFT_LABEL") == 0) // If the item has a label and it equals what we want it to,
        {
            MasterMarkersOpenFile[ArrayCounter] = i; // Put the page number in the array.
            ArrayCounter++; // Advance the counter for next time!
        }
    }
}

var numberToSubtract = 0; // This compensates for screwing up the page counter when you remove a page.

for (i=0; i<MasterMarkersOpenFile.length; i++) // Loop through the array and remove pages!
{
    OpenFile.pages.item(MasterMarkersOpenFile[i] - numberToSubtract).remove();
    numberToSubtract++;
}

try // to get the path of the file that's active when you run the script.
{
    var OpenFilePath = app.documents.item(0).fullName; // Declare a variable representing the open document.
    var OpenFile = app.open(File(OpenFilePath), true, 1332757360); // Create a duplicate to work with. In Adobe's world, "1332757360" means "open a copy".
}
catch (err)
{
    var OpenFile = "error";
    alert("Please save this file before using the script.");
}

var OpenFileLength = OpenFile.pages.length; // Get number of pages of open document and master file.

// These help make the array that stores master markers.
var ArrayCounter = 0;
var FindTheMarkers = new Array();

for (var i=0; i<OpenFileLength; i++) // Loop through every page.
{
    ItemsOnPage = OpenFile.pages.item(i).pageItems.length; // Get the number of items on the page.
    
    for (var j=0; j<ItemsOnPage; j++) // Loop through every item.
    {
        var ScriptLabel = OpenFile.pages.item(i).pageItems.item(j).label;   

        if (ScriptLabel != "" && ScriptLabel.indexOf("DRAFT_LABEL") == 0) // If the item has a label and it equals what we want it to,
        {
            FindTheMarkers[ArrayCounter] = i; // Put the page number in the array.
            ArrayCounter++; // Advance the counter for next time!
        }
    }
}

var numberToSubtract = 0; // This compensates for screwing up the page counter when you remove a page.

for (i=0; i<FindTheMarkers.length; i++) // Loop through the array and remove pages!
{
    OpenFile.pages.item(FindTheMarkers[i] - numberToSubtract).remove();
    numberToSubtract++;
}