u64.go: Kill AlignToNextAndReturnLargestAlignment
u64.go: Kill AlignToNextAndReturnLargestAlignment

Change-Id: I6bc0d627dee836057ca6e4aba07ab3a54be99b58

dsrbecky/gapid,ben-clayton/gapid,ek9852/gapid,pmuetschard/gapid,dsrbecky/gapid,ben-clayton/gapid,Qining/gapid,google/gapid,google/agi,pmuetschard/gapid,ben-clayton/gapid,ben-clayton/gapid,ek9852/gapid,Qining/gapid,google/agi,baldwinn860/gapid,ek9852/gapid,pmuetschard/gapid,baldwinn860/gapid,dsrbecky/gapid,google/gapid,baldwinn860/gapid,baldwinn860/gapid,ben-clayton/gapid,baldwinn860/gapid,Qining/gapid,ek9852/gapid,ben-clayton/gapid,google/agi,pmuetschard/gapid,Qining/gapid,ben-clayton/gapid,pmuetschard/gapid,dsrbecky/gapid,dsrbecky/gapid,baldwinn860/gapid,google/gapid,dsrbecky/gapid,ben-clayton/gapid,google/agi,Qining/gapid,dsrbecky/gapid,pmuetschard/gapid,Qining/gapid,Qining/gapid,google/gapid,pmuetschard/gapid,google/gapid,ek9852/gapid,dsrbecky/gapid,pmuetschard/gapid,baldwinn860/gapid,Qining/gapid,baldwinn860/gapid,google/agi,google/gapid,ek9852/gapid,google/gapid,google/gapid,ek9852/gapid,ek9852/gapid,google/agi,google/agi,google/agi