Fwupd-Integration Phase Commit 2.1

This Commit fixes following things:

• Now EULA is shown on Enabling the Remote
• View of setting Menu for remotes remains (fixed it)
• Now The Remotes are Non Removal
• The Install page looks more clean. No Review/Screenshots View
• Updates Are shown in the System Updates Now
• Removed unnecessary Unit Tests [Still Work is needed]

Task Left

• Notification Class is needed to be implemented
• Unit Test needs to be completed