fix(ui): removed events column from plan upgrade (#4773)

## Description

<img width="652" height="313" alt="image"
src="https://github.com/user-attachments/assets/65d88c13-701c-4e9c-87a0-aa6dfae164b3"
/>

The events column was confusing users that this value is their included
executions for the plan they choose. Removing it to avoid further
confusion
<img width="456" height="426" alt="Screenshot 2026-08-23 at 2 45 15 PM"
src="https://github.com/user-attachments/assets/e6bfa659-9bd8-4f54-b70d-eba3a4ed89e1"
/>


## Release note

<!-- User-facing release note. Use "None" if this does not need release
notes. -->
None.

## Migration note

<!-- Upgrade, deployment, config, schema, or compatibility notes. Use
"None" if none. -->
None.

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