Revert "display text field for comments"

This reverts commit 3d12f353db795ee002b7eabac5058440ac1a5deb.
Revert "first comment implementation"

This reverts commit 4b823a6a3e0b83acf1617a373ec088203f5db836.
first comment implementation (reverted from commit 4b823a6a3e0b83acf1617a373ec088203f5db836); extracted custom alert dialog and enabled onclick permission details in rating view