load fonts on style set change

modules/save.js

@@ -359,59 +359,6 @@ function inlineStyle(clone) {
   emptyG.remove();
 }
 
-function getFontsList(svg) {
-  const fontsInUse = [];
-
-  svg.selectAll("#labels > g").each(function () {
-    if (!this.hasChildNodes()) return;
-    const font = this.dataset.font;
-    if (font) fontsInUse.push(font);
-  });
-  if (legend.node().hasChildNodes()) fontsInUse.push(legend.attr("data-font"));
-
-  return [...new Set(fontsInUse)];
-}
-
-// code from Kaiido's answer https://stackoverflow.com/questions/42402584/how-to-use-google-fonts-in-canvas-when-drawing-dom-objects-in-svg
-function GFontToDataURI(url) {
-  if (!url) return Promise.resolve();
-  return fetch(url) // first fecth the embed stylesheet page
-    .then(resp => resp.text()) // we only need the text of it
-    .then(text => {
-      let s = document.createElement("style");
-      s.innerHTML = text;
-      document.head.appendChild(s);
-      const styleSheet = Array.prototype.filter.call(document.styleSheets, sS => sS.ownerNode === s)[0];
-
-      const FontRule = rule => {
-        const src = rule.style.getPropertyValue("src");
-        const url = src ? src.split("url(")[1].split(")")[0] : "";
-        return {rule, src, url: url.substring(url.length - 1, 1)};
-      };
-      const fontProms = [];
-
-      for (const r of styleSheet.cssRules) {
-        let fR = FontRule(r);
-        if (!fR.url) continue;
-
-        fontProms.push(
-          fetch(fR.url) // fetch the actual font-file (.woff)
-            .then(resp => resp.blob())
-            .then(blob => {
-              return new Promise(resolve => {
-                let f = new FileReader();
-                f.onload = e => resolve(f.result);
-                f.readAsDataURL(blob);
-              });
-            })
-            .then(dataURL => fR.rule.cssText.replace(fR.url, dataURL))
-        );
-      }
-      document.head.removeChild(s); // clean up
-      return Promise.all(fontProms); // wait for all this has been done
-    });
-}
-
 // prepare map data for saving
 function getMapData() {
   TIME && console.time("createMapDataBlob");