Removed duplicated build from bugreport name.

It got duplicated by a bad git merge :-(

Change-Id: I476e63405fa7b0ef858728da7400ee860b56296f
Fixes: 33257711
Test: manual verification
Test: dumpstate_test passes
(cherry picked from commit 909f4a5d1a05c5d0496cdaab14f58b7072dfbbec)
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index 111146c..ed29e07 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -1516,13 +1516,11 @@
         } else {
             ds.name_ = "undated";
         }
-        std::string buildId = android::base::GetProperty("ro.build.id", "UNKNOWN_BUILD");
 
         if (telephony_only) {
             ds.base_name_ += "-telephony";
         }
 
-        ds.base_name_ += "-" + buildId;
         if (do_fb) {
             ds.screenshot_path_ = ds.GetPath(".png");
         }