Remove IE workarounds for legacy build, examples, and workers

package.json

@@ -99,7 +99,6 @@
     "pngjs": "^6.0.0",
     "proj4": "2.8.0",
     "puppeteer": "16.1.0",
-    "regenerator-runtime": "^0.13.9",
     "rollup": "^2.42.3",
     "rollup-plugin-terser": "^7.0.2",
     "serve-static": "^1.14.0",
@@ -133,6 +132,11 @@
       ]
     }
   },
+  "browserslist": [
+    "> 1%",
+    "last 2 versions",
+    "not dead"
+  ],
   "sideEffects": [
     "proj.js",
     "ol.css"