Remove redundant field in sort helper struct
Remove redundant field in sort helper struct

The pair struct used by sortSeq() had two key fields, where only one
is really needed.
Zenithar/hugo,Zenithar/hugo,fedelibre/hugo,mdhender/hugo,digitalcraftsman/hugo,bogem/hugo,mdhender/hugo,jygastaud/hugo,fedelibre/hugo,anthonyfok/hugo,fedelibre/hugo,gohugoio/hugo,mayah/hugo,mdhender/hugo,digitalcraftsman/hugo,gohugoio/hugo,anthonyfok/hugo,tubo028/hugo,fedelibre/hugo,MarkDBlackwell/hugo,mitchchn/hugo,jygastaud/hugo,mayah/hugo,gohugoio/hugo,mitchchn/hugo,tubo028/hugo,MarkDBlackwell/hugo,bogem/hugo,anthonyfok/hugo,mdhender/hugo