hg: panama/dev: [vector] Remove extra whitespace to remove git warning message

[sandhya.viswanathan at intel.com]

Changeset: 0474716a2fa5
Author:    sviswanathan
Date:      2020-09-02 20:33 -0700
URL:       https://hg.openjdk.java.net/panama/dev/rev/0474716a2fa5

[vector] Remove extra whitespace to remove git warning message

! test/jdk/jdk/incubator/vector/gen-template.sh