SH-2244 Fix for artifacts with L&S enabled when using core profile.

...pp_settings/shaders/class1/deferred/multiPointLightF.glsl

...app_settings/shaders/class1/deferred/multiSpotLightF.glsl

...iew/app_settings/shaders/class1/deferred/pointLightF.glsl

...ew/app_settings/shaders/class1/deferred/softenLightF.glsl

...view/app_settings/shaders/class1/deferred/spotLightF.glsl

...app_settings/shaders/class2/deferred/multiSpotLightF.glsl

...p_settings/shaders/class2/deferred/multiSpotLightMSF.glsl

...ew/app_settings/shaders/class2/deferred/softenLightF.glsl

.../app_settings/shaders/class2/deferred/softenLightMSF.glsl

...view/app_settings/shaders/class2/deferred/spotLightF.glsl

...ew/app_settings/shaders/class2/deferred/spotLightMSF.glsl

indra/newview/app_settings/shaders/class3/deferred/giF.glsl

...ew/app_settings/shaders/class3/deferred/softenLightF.glsl

indra/newview/pipeline.cpp