Remove redundant full-pixel check from rdopt.c
Remove redundant full-pixel check from rdopt.c

Change-Id: I1d599b70fb338de4b0d2076fdc7060361a46c21f

smarter/aom,smarter/aom,GrokImageCompression/aom,luctrudeau/aom,smarter/aom,GrokImageCompression/aom,luctrudeau/aom,luctrudeau/aom,GrokImageCompression/aom,GrokImageCompression/aom,luctrudeau/aom,smarter/aom,luctrudeau/aom,luctrudeau/aom,GrokImageCompression/aom,smarter/aom,GrokImageCompression/aom,smarter/aom