Remove #ifdef around right-button methods in fpdf_view_c_api_test.c

A previous CL provides these in all cases (though they may be
no-effect stubs).

Change-Id: I5037184423f9d343ac9c4c94db6fc81a5bbfa76d
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/63150
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>

fpdfsdk/fpdf_view_c_api_test.c

diff --git a/fpdfsdk/fpdf_view_c_api_test.c b/fpdfsdk/fpdf_view_c_api_test.c
index e7d1026..29cfd9d 100644
--- a/fpdfsdk/fpdf_view_c_api_test.c
+++ b/fpdfsdk/fpdf_view_c_api_test.c
@@ -248,10 +248,8 @@
     CHK(FORM_OnLButtonDown);
     CHK(FORM_OnLButtonUp);
     CHK(FORM_OnMouseMove);
-#ifdef PDF_ENABLE_XFA
     CHK(FORM_OnRButtonDown);
     CHK(FORM_OnRButtonUp);
-#endif
     CHK(FORM_Redo);
     CHK(FORM_ReplaceSelection);
     CHK(FORM_SetIndexSelected);