Remove dead options from validated environment

Amends ba15800 in #2508

includes/validation/class-amp-validated-url-post-type.php

@@ -837,13 +837,6 @@ public static function get_post_staleness( $post ) {
 			}
 		}
 
-		if ( isset( $old_validated_environment['options'] ) ) {
-			$differing_options = array_diff_assoc( $new_validated_environment['options'], $old_validated_environment['options'] );
-			if ( $differing_options ) {
-				$staleness['options'] = $differing_options;
-			}
-		}
-
 		return $staleness;
 	}
 
@@ -1751,10 +1744,6 @@ public static function print_status_meta_box( $post ) {
 								esc_html_e( 'Different plugins were active when these results were obtained.', 'amp' );
 								echo ' ';
 							}
-							if ( ! empty( $staleness['options'] ) ) {
-								esc_html_e( 'Options have changed.', 'amp' );
-								echo ' ';
-							}
 							esc_html_e( 'Please recheck.', 'amp' );
 							echo '</p></div>';
 						}