Removing Development group metadata

doc/development/backend/ruby_style_guide.md

doc/development/contributing/design.md

doc/development/contributing/first_contribution.md

doc/development/contributing/index.md

doc/development/contributing/issue_workflow.md

doc/development/contributing/merge_request_workflow.md

doc/development/contributing/style_guides.md

doc/development/development_processes.md

doc/development/documentation/graphql_styleguide.md

doc/development/fe_guide/dark_mode.md

doc/development/fe_guide/design_tokens.md

doc/development/fe_guide/graphql.md

doc/development/feature_development.md

doc/development/feature_flags/controls.md

doc/development/feature_flags/index.md

doc/development/index.md

doc/development/internal_users.md

doc/development/labels/index.md

doc/development/rubocop_development_guide.md

doc/development/secure_coding_guidelines.md