Fix: Extra letter in Grease Pencil curve handle type tooltip

The tool tip for the Grease Pencil curve handle type Aligned contained
a random `W` at the end of the tooltip.

This commit removes the extra letter.

source/blender/makesrna/intern/rna_curves.cc

@@ -47,7 +47,7 @@ const EnumPropertyItem rna_enum_curves_handle_type_items[] = {
      "ALIGN",
      0,
      "Align",
-     "The location is constrained to point in the opposite direction as the other handleW"},
+     "The location is constrained to point in the opposite direction as the other handle"},
     {0, nullptr, 0, nullptr, nullptr},
 };