py/unicode: Comment-out unused function unichar_isprint.
diff --git a/py/unicode.c b/py/unicode.c
index 8be63f2..c6f8720 100644
--- a/py/unicode.c
+++ b/py/unicode.c
@@ -133,9 +133,11 @@
     return c < 128 && (attr[c] & FL_ALPHA) != 0;
 }
 
+/* unused
 bool unichar_isprint(unichar c) {
     return c < 128 && (attr[c] & FL_PRINT) != 0;
 }
+*/
 
 bool unichar_isdigit(unichar c) {
     return c < 128 && (attr[c] & FL_DIGIT) != 0;