remove generate sizes function

we don't need to generate sizes anymore

src/filters.php

@@ -82,79 +82,6 @@ function( $file ) {
 	return $editors;
 } );
 
-
-/**
- * Generate metadata for image sizes without creating the actual resized images.
- *
- * This function gets the registered image sizes and calculates the filename for each size
- * using the WordPress convention for size annotation. It then adds this information to the attachment metadata.
- *
- * This function is designed to be added to the wp_handle_upload_prefilter in order to restore the metadata that
- * would have been generated. Becuase the sizes are being suppressed on upload, the actual resized images
- * are not being created, but we still need to add the metadata for the sizes to the attachment. This function
- * should have the effect of pre-generating the metadata for the sizes that would have been created.
- *
- * @param array $metadata      The attachment metadata.
- * @param int   $attachment_id The ID of the attachment.
- *
- * @return array The modified attachment metadata, with added sizes.
- */
-function generate_metadata_sizes( $metadata, $attachment_id ) {
-	// Get the registered image sizes.
-	$sizes = wp_get_registered_image_subsizes();
-
-	// Get the pathinfo for the original file.
-	$pathinfo = pathinfo( $metadata['file'] );
-
-	// Get the mime type for the original file.
-	$mime_type = get_post_mime_type( $attachment_id );
-
-	// Get the original image dimensions.
-	$original_width = $metadata['width'];
-	$original_height = $metadata['height'];
-
-	// Calculate the aspect ratio of the original image.
-	$aspect_ratio = $original_width / $original_height;
-
-	// Recalculate the sizes that would have been generated and add them to the metadata.
-	foreach ( $sizes as $size => $size_data ) {
-		// Determine the new dimensions based on the aspect ratio, taking into account that either width or height may be 0.
-		if ( $size_data['width'] == 0 ) {
-			// Scale based on height only.
-			$new_height = $size_data['height'];
-			$new_width = (int) ( $new_height * $aspect_ratio );
-		} elseif ( $size_data['height'] == 0 ) {
-			// Scale based on width only.
-			$new_width = $size_data['width'];
-			$new_height = (int) ( $new_width / $aspect_ratio );
-		} else {
-			// Scale based on both dimensions.
-			$scale = min( $size_data['width'] / $original_width, $size_data['height'] / $original_height );
-			$new_width = (int) ( $original_width * $scale );
-			$new_height = (int) ( $original_height * $scale );
-		}
-
-		// Clamp the dimensions to the original image size if the new size is larger.
-		// Basically, we don't want to scale up the image.
-		if ( $new_width > $original_width  || $new_height > $original_height ) {
-			$new_width = $original_width;
-			$new_height = $original_height;
-		}
-
-		// Calculate the new filename by adding the size to the original filename using the WordPress convention.
-		$new_filename = $pathinfo['filename'] . '-' . $new_width . 'x' . $new_height . '.' . $pathinfo['extension'];
-
-		// Add the new size to the metadata.
-		$metadata['sizes'][ $size ] = array(
-			'file'      => $new_filename,
-			'width'     => $new_width,
-			'height'    => $new_height,
-			'mime-type' => $mime_type,
-		);
-	}
-	return $metadata;
-}
-
 // Disable the big image threshold, we don't want WordPress to do any resizing at all.
 add_filter( 'big_image_size_threshold', '__return_false' );