Update Metro_HSTX_Matrix.ino

Author: TheKitty

Metro/Metro_HSTX_Matrix/Metro_HSTX_Matrix.ino

@@ -1,6 +1,6 @@
 // SPDX-FileCopyrightText: 2021 Anne Barela for Adafruit Industries
 //
-// SPDX-License-Identifier: MIT 
+// SPDX-License-Identifier: MIT
 //
 // Based on Adafruit-DVI-HSTX library code written by Jeff Epler 
 // and use of Claude 3.7 Sonnet on 3/2/2025