dwrite/layout: Remove unnecessary argument check from GetPairKerning().

dlls/dwrite/layout.c

@@ -4062,9 +4062,6 @@ static HRESULT WINAPI dwritetextlayout1_GetPairKerning(IDWriteTextLayout4 *iface
 
     TRACE("%p, %u, %p, %p.\n", iface, position, is_pairkerning_enabled, r);
 
-    if (position >= layout->len)
-        return S_OK;
-
     range = get_layout_range_by_pos(layout, position);
     *is_pairkerning_enabled = range->pair_kerning;
 

dlls/dwrite/tests/layout.c

@@ -6337,11 +6337,10 @@ todo_wine
         value = FALSE;
         hr = IDWriteTextLayout1_GetPairKerning(layout1, 10, &value, &range);
         ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
-    todo_wine {
         ok(range.startPosition == 10 && range.length == ~0u - 10, "Unexpected range (%u, %u).\n",
                 range.startPosition, range.length);
         ok(!!value, "Unexpected value %d.\n", value);
-    }
+
         range.startPosition = 0;
         range.length = ~0u;
         hr = IDWriteTextLayout1_SetPairKerning(layout1, FALSE, range);