Remove unused envs from .env.example

Author: MananTank

apps/dashboard/.env.example

@@ -75,15 +75,6 @@ GITHUB_API_TOKEN="ghp_..."
 # Upload server url
 NEXT_PUBLIC_DASHBOARD_UPLOAD_SERVER="https://storage.thirdweb-preview.com"
 
-# Payments Admin Secret. For dev, get this value from paper-web-dev (on Zeet)'s "HASURA_ADMIN_SECRET_KEY" env var
-PAYMENTS_ADMIN_SECRET=""
-
-# Disable telemetry
-NEXT_TELEMETRY_DISABLED=1
-
-# Use trench for KYC
-NEXT_PUBLIC_TRENCH_2_API_ENDPOINT=""
-
 # Unthread variables - only required for submitting the support form in /support
 UNTHREAD_API_KEY=""
 UNTHREAD_TRIAGE_CHANNEL_ID=""