Cleanup SAML settings in Admin (#26064)

...prise/auth/components/SettingsJWTForm/SettingsJWTForm.jsx

.../metabase-enterprise/auth/components/SettingsSAMLForm.jsx

...ise/auth/components/SettingsSAMLForm/SettingsSAMLForm.jsx

...h/components/SettingsSAMLForm/SettingsSAMLForm.styled.tsx

...base-enterprise/auth/components/SettingsSAMLForm/index.js

enterprise/frontend/src/metabase-enterprise/auth/index.js

.../metabase/admin/settings/components/SettingsBatchForm.jsx

...ings/components/SettingsGoogleForm/SettingsGoogleForm.tsx

...c/metabase/admin/settings/components/SettingsLdapForm.jsx

frontend/src/metabase/admin/settings/utils.js

frontend/src/metabase/plugins/builtin/auth/google.js

frontend/src/metabase/plugins/builtin/auth/ldap.js

...t/metabase/scenarios/admin/settings/sso/google.cy.spec.js

...test/metabase/scenarios/admin/settings/sso/jwt.cy.spec.js

...est/metabase/scenarios/admin/settings/sso/ldap.cy.spec.js

...est/metabase/scenarios/admin/settings/sso/saml.cy.spec.js