MC-38746: Performance degradation due to multiple calls of /guest-carts/{cart_id}/totals-information endpoint

- Reverted #18700 PR that causes redundant calls of totals-information web-api

Author: viktym

app/code/Magento/Checkout/view/frontend/web/js/model/cart/estimate-service.js

@@ -80,5 +80,4 @@ define([
     quote.shippingAddress.subscribe(estimateTotalsAndUpdateRates);
     quote.shippingMethod.subscribe(estimateTotalsShipping);
     quote.billingAddress.subscribe(estimateTotalsBilling);
-    customerData.get('cart').subscribe(estimateTotalsShipping);
 });

dev/tests/js/jasmine/tests/app/code/Magento/Checkout/frontend/js/model/cart/estimate-service.test.js

@@ -150,12 +150,5 @@ define([
             });
             expect(mocks['Magento_Checkout/js/model/cart/totals-processor/default'].estimateTotals).toHaveBeenCalled();
         });
-
-        it('test subscribe when cart data was changed', function () {
-            mocks['Magento_Customer/js/customer-data'].get('cart')({
-                dataId: 2
-            });
-            expect(mocks['Magento_Checkout/js/model/cart/totals-processor/default'].estimateTotals).toHaveBeenCalled();
-        });
     });
 });