Remove stale unit tests

* Remove unit tests since function was removed

ee/spec/frontend/api_spec.js

@@ -889,22 +889,4 @@ describe('Api', () => {
       });
     });
   });
-
-  describe('getApiPath', () => {
-    describe.each`
-      path                           | params                                 | query                            | expected
-      ${undefined}                   | ${{ ':user_id': 4 }}                   | ${{ project_id: 3 }}             | ${''}
-      ${'/foo/bar'}                  | ${{ ':user_id': 4 }}                   | ${{ project_id: 3 }}             | ${'/foo/bar?project_id=3'}
-      ${'/:user_id/bar'}             | ${{ ':user_id': 4 }}                   | ${{ project_id: 3 }}             | ${'/4/bar?project_id=3'}
-      ${'/:wrong_id/bar'}            | ${{ ':user_id': 4 }}                   | ${{ project_id: 3 }}             | ${'/:wrong_id/bar?project_id=3'}
-      ${'/:first_id/bar/:second_id'} | ${{ ':first_id': 1, ':second_id': 2 }} | ${{ project_id: 3 }}             | ${'/1/bar/2?project_id=3'}
-      ${'/:first_id/bar/:second_id'} | ${{ ':first_id': 1, ':second_id': 2 }} | ${{ project_id: 3, user_id: 7 }} | ${'/1/bar/2?project_id=3&user_id=7'}
-      ${'/:first_id/bar/:second_id'} | ${undefined}                           | ${{ project_id: 3, user_id: 7 }} | ${'/:first_id/bar/:second_id?project_id=3&user_id=7'}
-      ${'/:first_id/bar/:second_id'} | ${{ ':first_id': 1, ':second_id': 2 }} | ${undefined}                     | ${'/1/bar/2'}
-    `('When path: $path, params: $params, query: $query', ({ path, params, query, expected }) => {
-      it(`returns ${expected}`, () => {
-        expect(Api.getApiPath(path, { params, query })).toBe(expected);
-      });
-    });
-  });
 });