Move build-time dependencies to devDevependencies

Author: tephenavies

package.json

@@ -24,8 +24,6 @@
     "url": "http://github.com/TerriaJS/TerriaMap"
   },
   "dependencies": {
-    "terriajs-plugin-api": "0.0.1-alpha.16",
-    "terriajs-plugin-sample": "0.0.1-alpha.7",
     "terriajs-server": "^4.0.0"
   },
   "config": {
@@ -83,6 +81,8 @@
     "svg-sprite-loader": "4.1.3",
     "terriajs": "8.7.1",
     "terriajs-cesium": "8.0.0",
+    "terriajs-plugin-api": "0.0.1-alpha.16",
+    "terriajs-plugin-sample": "0.0.1-alpha.7",
     "ts-loader": "^5.3.3",
     "typescript": "~5.2.0",
     "urijs": "^1.18.12",