Remove calculation of unused local style when reducing image sizes.

I removed the special case for MediaStyle in I11c1494c0ac32aaf3e9d2010560cc8f1d8c50037 but forgot to remove this.

Bug: 172652345
Change-Id: I0c0d5dbb0cfda57636a475bb408969c675a0f5b1
Flag: EXEMPT removing dead code
Test: n/a
1 file changed