ISTWCMS-3412: removing layout builder styles config

config/install/layout_builder_styles.style.full_width_image.yml

-langcode: en
-status: true
-dependencies: {  }
-id: full_width_image
-label: 'Full width image'
-classes: uw-full-width-image
-type: component
-block_restrictions:
-  - 'entity_browser_block:uw_ebr_image'

config/install/layout_builder_styles.style.uw_lbs_contained_image.yml

-langcode: en
-status: true
-dependencies: {  }
-id: uw_lbs_contained_image
-label: 'Contained image'
-classes: uw-contained-image
-type: component
-block_restrictions:
-  - 'entity_browser_block:uw_ebr_image'