remove duplicate method from rebase

Author: aristath

src/wp-includes/class-wp-theme-json.php

@@ -1069,31 +1069,6 @@ public function get_custom_css() {
 		return $stylesheet;
 	}
 
-	/**
-	 * Returns the global styles custom css.
-	 *
-	 * @since 6.2.0
-	 *
-	 * @return string
-	 */
-	public function get_custom_css() {
-		// Add the global styles root CSS.
-		$stylesheet = _wp_array_get( $this->theme_json, array( 'styles', 'css' ), '' );
-
-		// Add the global styles block CSS.
-		if ( isset( $this->theme_json['styles']['blocks'] ) ) {
-			foreach ( $this->theme_json['styles']['blocks'] as $name => $node ) {
-				$custom_block_css = _wp_array_get( $this->theme_json, array( 'styles', 'blocks', $name, 'css' ) );
-				if ( $custom_block_css ) {
-					$selector    = static::$blocks_metadata[ $name ]['selector'];
-					$stylesheet .= $this->process_blocks_custom_css( $custom_block_css, $selector );
-				}
-			}
-		}
-
-		return $stylesheet;
-	}
-
 	/**
 	 * Returns the page templates of the active theme.
 	 *