Remove file imports of gr-diff-cursor

The cursor is not an element anymore, just a class. There is no need for
a file import.

Release-Notes: skip
Change-Id: I4e379c1d24a6a1f2dce94142c653a43f119dce8b

polygerrit-ui/app/elements/change/gr-file-list/gr-file-list.ts

diff --git a/polygerrit-ui/app/elements/change/gr-file-list/gr-file-list.ts b/polygerrit-ui/app/elements/change/gr-file-list/gr-file-list.ts
index 9665b03..bdd5df2 100644
--- a/polygerrit-ui/app/elements/change/gr-file-list/gr-file-list.ts
+++ b/polygerrit-ui/app/elements/change/gr-file-list/gr-file-list.ts
@@ -5,7 +5,6 @@
  */
 import '../../../styles/gr-a11y-styles';
 import '../../../styles/shared-styles';
-import '../../../embed/diff/gr-diff-cursor/gr-diff-cursor';
 import '../../diff/gr-diff-host/gr-diff-host';
 import '../../diff/gr-diff-preferences-dialog/gr-diff-preferences-dialog';
 import '../../edit/gr-edit-file-controls/gr-edit-file-controls';

polygerrit-ui/app/elements/diff/gr-diff-view/gr-diff-view.ts

diff --git a/polygerrit-ui/app/elements/diff/gr-diff-view/gr-diff-view.ts b/polygerrit-ui/app/elements/diff/gr-diff-view/gr-diff-view.ts
index 3174ffb..a387330 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff-view/gr-diff-view.ts
+++ b/polygerrit-ui/app/elements/diff/gr-diff-view/gr-diff-view.ts
@@ -14,7 +14,6 @@
 import '../../shared/gr-select/gr-select';
 import '../../shared/gr-weblink/gr-weblink';
 import '../../shared/revision-info/revision-info';
-import '../../../embed/diff/gr-diff-cursor/gr-diff-cursor';
 import '../gr-apply-fix-dialog/gr-apply-fix-dialog';
 import '../gr-diff-host/gr-diff-host';
 import '../gr-diff-mode-selector/gr-diff-mode-selector';