went back to just 'deltagreen' as system name...

module/actor/actor-sheet.js

@@ -8,7 +8,7 @@ export class DeltaGreenActorSheet extends ActorSheet {
   static get defaultOptions() {
     return mergeObject(super.defaultOptions, {
       classes: ["deltagreen", "sheet", "actor"],
-      template: "systems/deltagreen-unofficial/templates/actor/actor-sheet.html",
+      template: "systems/deltagreen/templates/actor/actor-sheet.html",
       width: 600,
       height: 800,
       tabs: [{ navSelector: ".sheet-tabs", contentSelector: ".sheet-body", initial: "description" }]

module/item/item-sheet.js

@@ -16,7 +16,7 @@ export class DeltaGreenItemSheet extends ItemSheet {
 
   /** @override */
   get template() {
-    const path = "systems/deltagreen-unofficial/templates/item";
+    const path = "systems/deltagreen/templates/item";
     // Return a single sheet for all item types.
     // return `${path}/item-sheet.html`;
 

package.json

@@ -1,5 +1,5 @@
 {
-  "name": "deltagreen-unofficial",
+  "name": "deltagreen",
   "version": "1.0.0",
   "description": "CSS compiler for the DeltaGreen system",
   "scripts": {

system.json

@@ -1,5 +1,5 @@
 {
-  "name": "deltagreen-unofficial",
+  "name": "deltagreen",
   "title": "Delta Green (Unofficial)",
   "description": "Delta Green: The RPG system for Foundry VTT (unaffiliated with Arc Dream Publishing or the Delta Green Partnership).",
   "version": "0.6.0",