Unused since 265043a935781633f204b1ddfede5f454b8555fe "tabcontrol: #i113362#
impl tabcontrol in awt" and not even built since
0a966b904bd6fd570d2fb09825810aceed4e00e8 "tabcontrol: fix some compile errors."
Change-Id: Ida6fde85207288a0b4e09cee767bd004f9384d99