Plugin: Avoid dynamic dependencies for wp-block-library style

This is handled by core in common blocks style enqueues behavior https://github.com/WordPress/wordpress-develop/blob/e421f26/src/wp-includes/script-loader.php#L2626-L2630

lib/client-assets.php

@@ -291,7 +291,7 @@ function gutenberg_register_scripts_and_styles() {
  gutenberg_override_style(
  'wp-block-library',
  gutenberg_url( 'build/block-library/style.css' ),
- current_theme_supports( 'wp-block-styles' ) ? array( 'wp-block-library-theme' ) : array(),
+ array(),
  filemtime( gutenberg_dir_path() . 'build/block-library/style.css' )
  );
  wp_style_add_data( 'wp-block-library', 'rtl', 'replace' );