refactor(semantic): remove unneeded condition in PyPI version compara…

…tor (#1362)

Currently this return is not covered because we're explicitly doing all
three possible comparisons, so we might as well move the equality check
to the end as the default

internal/semantic/version-pypi.go

@@ -225,18 +225,14 @@ func (pv PyPIVersion) comparePre(pw PyPIVersion) int {
 		ai := pv.preIndex()
 		bi := pw.preIndex()
 
-		if ai == bi {
-			return pv.pre.number.Cmp(pw.pre.number)
-		}
-
 		if ai > bi {
 			return +1
 		}
 		if ai < bi {
 			return -1
 		}
 
-		return 0
+		return pv.pre.number.Cmp(pw.pre.number)
 	}
 }