chore: remove comments

src/db.ts

@@ -279,7 +279,7 @@ export class Db {
   }
 
   /**
-   * Execute an aggregation framework pipeline against the database, needs MongoDB \>= 3.6
+   * Execute an aggregation framework pipeline against the database.
    *
    * @param pipeline - An array of aggregation stages to be executed
    * @param options - Optional settings for the command

src/explain.ts

@@ -13,8 +13,7 @@ export type ExplainVerbosity = string;
 
 /**
  * For backwards compatibility, true is interpreted as "allPlansExecution"
- * and false as "queryPlanner". Prior to server version 3.6, aggregate()
- * ignores the verbosity parameter and executes in "queryPlanner".
+ * and false as "queryPlanner".
  * @public
  */
 export type ExplainVerbosityLike = ExplainVerbosity | boolean;