chore: removed aug 6 downtime message

[tkAppsmith]

Description

The message for 6 Aug downtime of appsmith cloud has been removed in this pr.

PR fixes following issue(s)

Fixes #26270

Type of change

• Bug fix (non-breaking change which fixes an issue)

Testing

How Has This Been Tested?

• Manual
• Jest
• Cypress

Test Plan

Can be tested by creating pr image and running it with isCloudHosting true flag and the downtime message should not show up.

Checklist:

Dev activity

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• PR is being merged under a feature flag

QA activity:

• Speedbreak features have been covered
• Test plan covers all impacted features and areas of interest
• Test plan has been peer reviewed by project stakeholders and other QA members
• Manually tested functionality on DP
• We had an implementation alignment call with stakeholders post QA Round 2
• Cypress test cases have been added and approved by SDET/manual QA
• Added Test Plan Approved label after Cypress tests were reviewed
• Added Test Plan Approved label after JUnit tests were reviewed