Remove checks for a crasher in PasswordForm.

components/autofill/core/common/password_form.cc

Index: components/autofill/core/common/password_form.cc
diff --git a/components/autofill/core/common/password_form.cc b/components/autofill/core/common/password_form.cc
index 0ac9e335b91238dbf9d5b31926eb346621ca473a..5f8cbbf0eda6816ee9c2d8340c94252d84477393 100644
--- a/components/autofill/core/common/password_form.cc
+++ b/components/autofill/core/common/password_form.cc
@@ -83,13 +83,10 @@ PasswordForm::PasswordForm()
       skip_zero_click(false),
       layout(Layout::LAYOUT_OTHER),
       was_parsed_using_autofill_predictions(false),
-      is_alive(true),
       is_public_suffix_match(false),
       is_affiliation_based_match(false) {}
 
 PasswordForm::~PasswordForm() {
-  CHECK(is_alive);
-  is_alive = false;
 }
 
 bool PasswordForm::IsPossibleChangePasswordForm() const {