Bug 487303 - [Search] Remove "Classic Search" view

Mark old API as deprecated for removal

Change-Id: I53422e13138062dff02089c9ad74fde9d81bf65a
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.text/+/186526
Tested-by: Platform Bot <platform-bot@eclipse.org>
Reviewed-by: Alexander Kurtakov <akurtako@redhat.com>
7 files changed