[foozzie] Remove obsolete stack-trace suppressions

BUG=chromium:673246
NOTRY=true
TBR=yangguo@chromium.org

Change-Id: I413c23006f0f5e7879eaaece5f82f6c0fb4f7109
Reviewed-on: https://chromium-review.googlesource.com/447979Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43537}

tools/foozzie/v8_suppressions.py

@@ -133,10 +133,6 @@ ALLOWED_LINE_DIFFS = [
   r'^.* is not a function(.*)$',
   r'^(.*) is not a .*$',
 
-  # Ignore lines of stack traces as character positions might not match.
-  r'^    at (?:new )?([^:]*):\d+:\d+(.*)$',
-  r'^(.*):\d+:(.*)$',
-
   # crbug.com/662840
   r"^.*(?:Trying to access ')?(\w*)(?:(?:' through proxy)|"
   r"(?: is not defined))$",
@@ -144,9 +140,6 @@ ALLOWED_LINE_DIFFS = [
   # crbug.com/680064. This subsumes one of the above expressions.
   r'^(.*)TypeError: .* function$',
 
-  # crbug.com/681326
-  r'^(.*<anonymous>):\d+:\d+(.*)$',
-
   # crbug.com/664068
   r'^(.*)(?:Array buffer allocation failed|Invalid array buffer length)(.*)$',
 ]
@@ -162,9 +155,6 @@ IGNORE_LINES = [
 
   # crbug.com/677032
   r'^.*:\d+:.*asm\.js.*: success$',
-
-  # crbug.com/680064
-  r'^\s*at .* \(<anonymous>\)$',
 ]