feat(cloud): replace novu for all notification triggers

turbo.json

@@ -123,7 +123,6 @@
     "NEXT_PUBLIC_KAN_ENV",
     "NEXT_PUBLIC_WHITE_LABEL_HIDE_POWERED_BY",
     "STRIPE_SECRET_KEY",
-    "DISCORD_WEBHOOK_URL",
     "STRIPE_WEBHOOK_SECRET",
     "STRIPE_WEBHOOK_SECRET_LEGACY",
     "STRIPE_PRO_PLAN_MONTHLY_PRICE_ID",
@@ -148,8 +147,6 @@
     "PORT",
     "BETTER_AUTH_SECRET",
     "BETTER_AUTH_TRUSTED_ORIGINS",
-    "NOVU_API_KEY",
-    "EMAIL_UNSUBSCRIBE_SECRET",
     "REDIS_URL",
     "LOG_LEVEL",
     "AXIOM_TOKEN",