hugolib: Don't report taxonomy count if disabled
hugolib: Don't report taxonomy count if disabled

fedelibre/hugo,digitalcraftsman/hugo,mdhender/hugo,fedelibre/hugo,gohugoio/hugo,anthonyfok/hugo,mitchchn/hugo,mdhender/hugo,mitchchn/hugo,mdhender/hugo,mdhender/hugo,anthonyfok/hugo,fedelibre/hugo,anthonyfok/hugo,fedelibre/hugo,digitalcraftsman/hugo,gohugoio/hugo,gohugoio/hugo