Get rid of a couple `eslint-disable` statements in `web/download_manager.js` by instead relying on the preprocessor dead-code removal added in PR 7942

web/download_manager.js

@@ -25,9 +25,11 @@
     factory((root.pdfjsWebDownloadManager = {}), root.pdfjsWebPDFJS);
   }
 }(this, function (exports, pdfjsLib) {
-if (typeof PDFJSDev === 'undefined' || PDFJSDev.test('GENERIC || CHROME')) {
-  // eslint-disable-next-line no-inner-declarations
-  function download(blobUrl, filename) {
+if (typeof PDFJSDev !== 'undefined' && PDFJSDev.test('FIREFOX || MOZCENTRAL')) {
+  return;
+}
+
+function download(blobUrl, filename) {
   var a = document.createElement('a');
   if (a.click) {
     // Use a.click() if available. Otherwise, Chrome might show
@@ -61,11 +63,11 @@ if (typeof PDFJSDev === 'undefined' || PDFJSDev.test('GENERIC || CHROME')) {
     }
     window.open(blobUrl, '_parent');
   }
-  }
+}
 
-  function DownloadManager() {} // eslint-disable-line no-inner-declarations
+function DownloadManager() {}
 
-  DownloadManager.prototype = {
+DownloadManager.prototype = {
   downloadUrl: function DownloadManager_downloadUrl(url, filename) {
     if (!pdfjsLib.createValidAbsoluteUrl(url, 'http://example.com')) {
       return; // restricted/invalid URL
@@ -103,8 +105,7 @@ if (typeof PDFJSDev === 'undefined' || PDFJSDev.test('GENERIC || CHROME')) {
     var blobUrl = URL.createObjectURL(blob);
     download(blobUrl, filename);
   }
-  };
+};
 
-  exports.DownloadManager = DownloadManager;
-}
+exports.DownloadManager = DownloadManager;
 }));