Remove last mention of EXTENDED_FONT_FOOTPRINT.

Setting EXTENDED_FONT_FOOTPRINT has been a no-op for a while, since
no one reads it anymore. Also do the same for naver-fonts, which had
also become a no-op.

Bug: 21785576
Change-Id: I3818adcbba11398024b82c2f22fe2d545b55418d
3 files changed