Remove few polygon_offset tests from GLES CTS 3.2.3.x
Affects:
dEQP-GLES2.functional.polygon_offset.default_result_depth_clamp
dEQP-GLES2.functional.polygon_offset.default_factor_1_slope
dEQP-GLES2.functional.polygon_offset.fixed16_result_depth_clamp
dEQP-GLES2.functional.polygon_offset.fixed16_factor_1_slope
dEQP-GLES3.functional.polygon_offset.default_result_depth_clamp
dEQP-GLES3.functional.polygon_offset.default_factor_1_slope
dEQP-GLES3.functional.polygon_offset.fixed16_result_depth_clamp
dEQP-GLES3.functional.polygon_offset.fixed16_factor_1_slope
dEQP-GLES3.functional.polygon_offset.fixed24_result_depth_clamp
dEQP-GLES3.functional.polygon_offset.fixed24_factor_1_slope
dEQP-GLES3.functional.polygon_offset.float32_result_depth_clamp
dEQP-GLES3.functional.polygon_offset.float32_factor_1_slope
dEQP-GLES3.functional.polygon_offset.default_result_depth_clamp
Components: OpenGL
VL-GL-CTS issue: 309
Change-Id: I6099f3a5a6958d6b91351b5d48b4aae1402a994e