efl_ui/container: remove erroneous negative value checks for uint params

efl_ui/container: remove erroneous negative value checks for uint params

Summary:
../src/lib/elementary/efl_ui_box.c: In function ‘_efl_ui_box_efl_gfx_arrangement_content_padding_set’:
../src/lib/elementary/efl_ui_box.c:411:10: warning: comparison of unsigned expression < 0 is always false [-Wtype-limit ]
  411 |    if (h < 0) h = 0;
      |          ^
../src/lib/elementary/efl_ui_box.c:412:10: warning: comparison of unsigned expression < 0 is always false [-Wtype-limit ]
  412 |    if (v < 0) v = 0;
      |          ^
../src/lib/elementary/efl_ui_table.c: In function ‘_efl_ui_table_efl_gfx_arrangement_content_padding_set’:
../src/lib/elementary/efl_ui_table.c:272:10: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]
  272 |    if (h < 0) h = 0;
      |          ^
../src/lib/elementary/efl_ui_table.c:273:10: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]
  273 |    if (v < 0) v = 0;
      |          ^

Reviewers: segfaultxavi

Reviewed By: segfaultxavi

Subscribers: cedric, #reviewers, #committers

Tags: #efl

Differential Revision: https://phab.enlightenment.org/D10304