Do not import javax.annotation

Do not import javax.annotation

javax.annotation.RegEx has retention=runtime, hence we need to
suppress javax.annotation import until we migrate to something
else. Also fix binding2, which uses other JSR305 annotations.

Change-Id: I506fe8d11c0d3ec683cc09c4c9b8f5506c809163
Signed-off-by: Robert Varga <robert.varga@pantheon.tech>