Delete and Re-enabling extension shows broken image and generic extension name

[srirambv]

• Did you search for similar issues before submitting this one?
  Yes

• Describe the issue you encountered:
  Delete and Re-enabling extension shows broken image and generic extension name

• Platform (Win7, 8, 10? macOS? Linux distro?):
  Windows 10 x64

• Brave Version (revision SHA):
  Brave 0.14.2
  rev 61ae1a7

• Steps to reproduce:

  1. Install 0.14.2 preview 2, open extensions tab in preferences
  2. Delete PDFJS extension, re-enable it from advance settings, shows broken image
  3. Enable Pocket and delete it, re-enable from advance settings, shows generic name

• Actual result:
  Delete and Re-enabling extension shows broken image and generic extension name

• Expected result:
  Extension image should be shown and the proper name should be shown

• Will the steps above reproduce in a fresh profile? If not what other info can be added?
  Yes

• Is this an issue in the currently released version?
  N/A

• Can this issue be consistently reproduced?
  Yes

• Extra QA steps:
  1.
  2.
  3.

• Screenshot if needed:
  

• Any related issues:

[cezaraugusto]

removing from 0.14.2, added #8259 to remove that option for now until we can properly react to excluding->reenabling extensions.

adding to 0.14.3 to keep track, feel free to change as needed

[bsclifton]

Closing as the delete functionality was reverted