Remove deprecated remote_development_agent_config references

doc/api/graphql/reference/_index.md

...te_development/remote_development_agent_configs_finder.rb

ee/app/graphql/ee/types/clusters/agent_type.rb

...cluster_agent/remote_development_agent_config_resolver.rb

...emote_development/remote_development_agent_config_type.rb

ee/app/models/ee/clusters/agent.rb

...els/remote_development/remote_development_agent_config.rb

ee/app/models/remote_development/workspace.rb

...ote_development/remote_development_agent_config_policy.rb

...velopment/remote_development_agent_configs_finder_spec.rb

ee/spec/graphql/ee/types/clusters/agent_type_spec.rb

ee/spec/graphql/resolvers/clusters/agents_resolver_spec.rb

..._development/remote_development_agent_config_type_spec.rb

...emote_development/remote_development_agent_config_spec.rb

...evelopment/remote_development_agent_config_policy_spec.rb

ee/spec/requests/api/graphql/remote_development/README.md

..._agent/remote_development_agent_config/TODO_DEPRECATED.md

...t/cluster_agent/remote_development_agent_config/shared.rb

...gent/remote_development_agent_config/with_no_args_spec.rb

scripts/verify-tff-mapping