Remove some additional form signatures from Autofill Feedback toolbar's list

chrome/browser/autofill/autofill_manager.cc

Index: chrome/browser/autofill/autofill_manager.cc
diff --git a/chrome/browser/autofill/autofill_manager.cc b/chrome/browser/autofill/autofill_manager.cc
index 81740a8bd3adf88e34ce849b4d6c8ca92a3e6b7d..ce5913331676805783ba60114186200c591a8868 100644
--- a/chrome/browser/autofill/autofill_manager.cc
+++ b/chrome/browser/autofill/autofill_manager.cc
@@ -244,19 +244,15 @@ bool FormIsHTTPS(FormStructure* form) {
 // Feedback identifying these forms.  Only executes if the appropriate flag is
 // set in about:flags.
 const char* kPopularFormSignatures[] = {
-  "1730681123057140977",
   "10135289994685082173",
   "7883844738557049416",
   "14651966297402649464",
   "17177862793067325164",
   "15222964025577790589",
-  "6231789373382218038",
   "14138834153984647462",
   "1522221299769735301",
   "8604254969743383026",
   "1080809576396139601",
-  "10157228556492868550",
-  "7112098130084740023",
   "10591138561307360539",
   "3483444043750493124",
   "3764098888295731941",
@@ -265,8 +261,6 @@ const char* kPopularFormSignatures[] = {
   "2226179674176240706",
   "9886974103926218264",
   "16089161644523512553",
-  "1366685796842051613",
-  "3683416168214161370",
   "17395441333004474813",
   "7131540066857838464",
   "1799736626243038725",