feat(crons): Update docs around monitor environments (#8965)

Author: David Wang

src/docs/product/crons/getting-started/http/index.mdx

@@ -73,9 +73,7 @@ If you don't specify an environment with your check-ins the default is `producti
 
 Monitor environments are still early in development. Currently, after a check-in
 occurs for a specified environment you must continue sending check-ins on
-schedule or the monitor environment will be marked as missed.
-
-In the future it will be possible to delete environments for a specified monitor.
+schedule or delete the monitor environment otherwise it will be marked as missed.
 
 </Alert>
 

src/docs/product/crons/job-monitoring.mdx

@@ -54,8 +54,6 @@ your monitor alert.
   across all environments. Each environment will appear as its own row in the
   monitor list.
 
-- Currently, only entire monitors can be removed. Individual monitor environments can't be deleted.
-
 ## Pausing Your Cron Monitor
 
 You can pause job monitoring in the header of your cron monitor. When you pause, your monitor will stop recording check-ins and will no longer notify you of any failed or missed check-ins.

src/platforms/javascript/common/crons/index.mdx

@@ -93,9 +93,7 @@ If you don't specify an environment with your check-ins the default is `producti
 
 Monitor environments are still early in development. Currently, after a check-in
 occurs for a specified environment you must continue sending check-ins on
-schedule or the monitor environment will be marked as missed.
-
-In the future it will be possible to delete environments for a specified monitor.
+schedule or delete the monitor environment otherwise it will be marked as missed.
 
 </Alert>