Trust Tokens: Remove some log lines accidentally left in the browser tests

Whoops.

TBR=csharrison@chromium.org

Change-Id: I9badb39d8d22041951fa8381271769a7d1cca5bf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2573381Reviewed-by: David Van Cleve <davidvc@chromium.org>
Commit-Queue: David Van Cleve <davidvc@chromium.org>
Cr-Commit-Position: refs/heads/master@{#833538}

content/test/trust_token_browsertest.cc

@@ -65,7 +65,6 @@ using ::testing::Truly;
 MATCHER_P(HasHeader, name, base::StringPrintf("Has header %s", name)) {
   if (!arg.headers.HasHeader(name)) {
     *result_listener << base::StringPrintf("%s wasn't present", name);
-    LOG(INFO) << __LINE__;
     return false;
   }
   *result_listener << base::StringPrintf("%s was present", name);
@@ -80,10 +79,8 @@ MATCHER_P2(HasHeader,
   std::string header;
   if (!arg.headers.GetHeader(name, &header)) {
     *result_listener << base::StringPrintf("%s wasn't present", name);
-    LOG(INFO) << __LINE__;
     return false;
   }
-  LOG(INFO) << header;
   return ExplainMatchResult(other_matcher, header, result_listener);
 }