revert log.critical() never return (#2056)

Author: YaroShkvorets

.changeset/old-times-double.md

@@ -101,10 +101,8 @@ export namespace log {
    * @param msg Format string a la "Value = {}, other = {}".
    * @param args Format string arguments.
    */
-  export function critical(msg: string, args: Array<string>): never {
-    const message = format(msg, args);
-    log(Level.CRITICAL, message);
-    throw new Error(message);
+  export function critical(msg: string, args: Array<string>): void {
+    log(Level.CRITICAL, format(msg, args));
   }
 
   /**