revert compile manager's change

Author: VasilyStrelyaev

packages/devextreme-themebuilder/src/modules/compile-manager.ts

@@ -81,11 +81,6 @@ export default class CompileManager {
       };
     } catch (e) {
       const { span, message } = e as sass.Exception;
-
-      if (!span) {
-        throw new Error(`Compilation failed.\nbundle: ${bundleOptions.file},\n${message}`);
-      }
-
       const { url, start } = span;
       const { line, column } = start;
       throw new Error(`Compilation failed.\nbundle: ${bundleOptions.file},\nfile: ${url}:${line}:${column},\n${message}`);