Remove "is empty" and "not empty" from time-series chrome (#44164)

* Remove "is empty" and "not empty" from time-series chrome

* Fix unit test

frontend/src/metabase/querying/components/DatePicker/DateOperatorPicker/constants.ts

@@ -43,14 +43,4 @@ export const OPERATOR_OPTIONS: OperatorOption[] = [
     value: "between",
     operators: ["between"],
   },
-  {
-    label: t`Is empty`,
-    value: "is-null",
-    operators: ["is-null"],
-  },
-  {
-    label: t`Not empty`,
-    value: "not-null",
-    operators: ["not-null"],
-  },
 ];

frontend/src/metabase/querying/components/TimeseriesChrome/TimeseriesFilterPicker/TimeseriesFilterPicker.unit.spec.tsx

@@ -76,13 +76,11 @@ describe("TimeseriesFilterPicker", () => {
 
     await userEvent.click(screen.getByText("All time"));
     await userEvent.click(await screen.findByDisplayValue("All time"));
-    await userEvent.click(await screen.findByText("Is empty"));
+    await userEvent.click(await screen.findByText("Current"));
     await userEvent.click(screen.getByText("Apply"));
 
     expect(getNextFilterParts()).toMatchObject({
-      operator: "is-null",
-      column: expect.anything(),
-      values: [],
+      value: "current",
     });
   });