fix: fixed malformed fabric.mod.json causing server crash

src/main/resources/fabric.mod.json

@@ -1,5 +1,5 @@
 {
-  "schemaVersion": 1,gi
+  "schemaVersion": 1,
   "id": "msnexus",
   "version": "${version}",
   "name": "msnexus",
@@ -7,7 +7,6 @@
   "authors": [],
   "contact": {},
   "license": "All-Rights-Reserved",
-  "icon": "assets/msnexus/icon.png",
   "environment": "*",
   "entrypoints": {
     "fabric-datagen": [