[roll] Roll fuchsia [assembly] Remove file_relative_paths from product config

All product configs are already using relative paths.

Original-Bug: 390189313
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1192233
Original-Revision: 9c1bf44a6bea209dabb0e4446edebea66bd546fc
GitOrigin-RevId: 810a5fe428806bc362e6fc68187e97e56bcce934
Change-Id: I823c51cb74fc18ac08b354e46aa44bfbd85a54df

Author: Aidan Wolter

stem

@@ -11,7 +11,7 @@
              githooks="integration/git-hooks"
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="01d2db0af871034a41a9502131b988d5f18ca9b3"/>
+             revision="9c1bf44a6bea209dabb0e4446edebea66bd546fc"/>
   </projects>
   <hooks>
     <hook name="install-environment"