Remove the Kasko based out of process browser hang instrumentation.

chrome/browser/BUILD.gn

Index: chrome/browser/BUILD.gn
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index 717ea25a87c9201e99268c72991d1ab9fe15fd9e..b21561b5917b7d745bb90cf0a2e203cb60e089f0 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -8,7 +8,6 @@ import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
 import("//media/media_options.gni")
-import("//third_party/kasko/kasko.gni")
 import("//third_party/protobuf/proto_library.gni")
 
 # //build/config/android/rules.gni imports //tools/grit/grit_rule.gni, which
@@ -657,13 +656,6 @@ target(chrome_browser_target_type, "browser") {
       "//components/version_info:generate_version_info",
     ]
   }
-  if (is_win && enable_kasko_failed_rdv_reports) {
-    sources += [
-      "//chrome/app/chrome_crash_reporter_client_win.cc",
-      "//chrome/app/chrome_crash_reporter_client_win.h",
-    ]
-    deps += [ "//components/crash/content/app:lib" ]
-  }
   if (use_nss_certs) {
     sources +=
         rebase_path(gypi_values.chrome_browser_nss_sources, ".", "//chrome")
@@ -844,7 +836,6 @@ target(chrome_browser_target_type, "browser") {
       ":chrome_process_finder",
       "//chrome:file_pre_reader",
       "//chrome/chrome_watcher:client",
-      "//chrome/chrome_watcher:kasko_util",
       "//chrome/common:metrics_constants_util_win",
       "//chrome/common:version_header",
       "//chrome/installer/util:strings",