NPM scripts: drop submodule scripts

Author: chalin

package.json

@@ -5,9 +5,7 @@
     "build:preview": "npm run _docs build:preview",
     "build:production": "npm run _docs build:production",
     "build": "npm run _docs build",
-    "serve": "npm run _docs serve",
-    "submodule:get": "git submodule update --init --recursive --depth 1",
-    "submodule:update": "git submodule update --remote --recursive --depth 1"
+    "serve": "npm run _docs serve"
   },
   "devDependencies": {
     "@fortawesome/fontawesome-free": "^5.15.4",

userguide/package.json

@@ -7,14 +7,7 @@
     "build:preview": "npm run _hugo-dev -- --minify --baseURL \"${DEPLOY_PRIME_URL:-/}\"",
     "build:production": "npm run _hugo -- --minify",
     "build": "npm run _build",
-    "prebuild:preview": "npm run submodule:get",
-    "prebuild:production": "npm run submodule:get",
-    "prebuild": "npm run submodule:get",
-    "preinstall": "npm run submodule:get",
-    "preserve": "npm run submodule:get",
-    "serve": "npm run _serve",
-    "submodule:get": "cd .. && npm run submodule:get",
-    "submodule:update": "cd .. && npm run submodule:update"
+    "serve": "npm run _serve"
   },
   "devDependencies": {
     "autoprefixer": "^9.5.0",