style: trim comments to load-bearing invariants only

src/lib/telemetry/rollup.server.ts

@@ -23,8 +23,6 @@ const addDays = (dateStr: string, days: number): string => {
   return utcDay(d);
 };
 
-// PB stores autodates as "YYYY-MM-DD HH:MM:SS.sssZ" UTC; boundaries in the
-// same shape compare correctly in filters.
 const bound = (dateStr: string): string => `${dateStr} 00:00:00.000Z`;
 
 const dayFilter = (dateStr: string): string =>
@@ -91,8 +89,6 @@ export const runRollups = async (dateStr: string): Promise<number> => {
   return rollups.length;
 };
 
-// The first run after UTC midnight recomputes yesterday once more so its
-// partial rows become final. Idempotent via the (date, metric, dim) key.
 export const runScheduledRollups = async (lastRunDay?: string): Promise<string> => {
   const today = utcDay(new Date());
   if (lastRunDay && lastRunDay !== today) {