Remove NPM targets for Schematron-based validations (#1206)

While reviewing and experiment with `dev-constraint.js` changes for #1203, I noticed there are now very obsolete targets for the `npm run ...` commands we no longer need. It is probably time to remove them completely.

Author: aj-stein-gsa

package.json

@@ -4,9 +4,6 @@
   "author": "",
   "license": "CC0-1.0",
   "scripts": {
-    "build:validation-ui": "cd src/web && npm install && npm run build && cd ../..",
-    "federalist": "make init-repo && npm run build:validation-ui && npm run link:validation-ui",
-    "link:validation-ui": "ln -sf ./src/web/dist _site",
     "test": "cross-env-shell NODE_OPTIONS=\"--loader ts-node/esm --no-warnings --experimental-specifier-resolution=node\" cucumber-js",
     "test:server": "cross-env-shell OSCAL_EXECUTOR='oscal-server' NODE_OPTIONS=\"--loader ts-node/esm --no-warnings --experimental-specifier-resolution=node\" cucumber-js",
     "test:parallel": "cross-env-shell NODE_OPTIONS=\"--loader ts-node/esm --no-warnings --experimental-specifier-resolution=node\" cucumber-js  --parallel 4 2>/dev/null 2>NUL",