ISTWCMS-4568: removing facebook gui from layout builder browser

config/install/layout_builder_browser.layout_builder_browser_block.inline_blockuw_cbl_facebook.yml

-langcode: en
-status: true
-dependencies: {  }
-id: inline_blockuw_cbl_facebook
-block_id: 'inline_block:uw_cbl_facebook'
-category: uw_bc_external_embeds
-label: Facebook
-weight: 0
-image_path: /profiles/uw_base_profile/themes/uw_fdsu_theme_resp/images/layout_builder_browser/facebook.svg
-image_alt: ''