perf: Do not apply usage limit tracking on dedicated servers

It's extra overhead. It doesn't do anything right now as it is kept
very high to avoid ever hitting that limit on dedicated servers.

press/press/doctype/site/site.py

@@ -69,7 +69,7 @@
 from press.press.doctype.server.server import is_dedicated_server
 from press.press.doctype.site_activity.site_activity import log_site_activity
 from press.press.doctype.site_analytics.site_analytics import create_site_analytics
-from press.press.doctype.site_plan.site_plan import get_plan_config
+from press.press.doctype.site_plan.site_plan import UNLIMITED_PLANS, get_plan_config
 from press.press.report.mariadb_slow_queries.mariadb_slow_queries import (
 	get_doctype_name,
 )
@@ -2124,7 +2124,12 @@ def get_plan_name(self, plan=None):
 		return plan
 
 	def get_plan_config(self, plan=None):
-		return get_plan_config(self.get_plan_name(plan))
+		plan = self.get_plan_name(plan)
+		config = get_plan_config(plan)
+		if plan in UNLIMITED_PLANS:
+			# PERF: do not enable usage tracking on unlimited sites.
+			config.pop("rate_limit", None)
+		return config
 
 	def set_latest_bench(self):
 		from pypika.terms import PseudoColumn

press/press/doctype/site_plan/site_plan.py

@@ -6,6 +6,8 @@
 
 from press.press.doctype.site_plan.plan import Plan
 
+UNLIMITED_PLANS = ["Unlimited", "Unlimited - Supported"]
+
 
 class SitePlan(Plan):
 	# begin: auto-generated types