[roll] Roll fuchsia [pb] Remove the duplicated item when generate transfer manifest

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1167760
Original-Revision: 6db5cb83fba687cc6cf3fbb1ddbf64003babf762
GitOrigin-RevId: 048b8aeb6657e2a1c5f118ada455967755faca86
Change-Id: Ic0e087e2223332bba9d97a3f1d4325dc298bca8c

Author: Jiaming Li

stem

@@ -11,7 +11,7 @@
              githooks="integration/git-hooks"
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="7c105303123e80ea949911403ee22641ce2a100e"/>
+             revision="6db5cb83fba687cc6cf3fbb1ddbf64003babf762"/>
   </projects>
   <hooks>
     <hook name="install-environment"