[pango/matthiasc/for-master: 46/46] tests: Drop an unused include

[Matthias Clasen <matthiasc src gnome org>]

commit a4428f00d2380ffee5435fd22929cb8a2e83adb8
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Jun 28 10:49:32 2021 -0400

    tests: Drop an unused include
    
    Now that we aren't using the M_ constants, drop math.h.

 tests/testmatrix.c | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/tests/testmatrix.c b/tests/testmatrix.c
index 2c7b39a2..607f2b5f 100644
--- a/tests/testmatrix.c
+++ b/tests/testmatrix.c
@@ -20,7 +20,6 @@
  */
 
 #include <glib.h>
-#include <math.h>
 #include <pango/pango.h>
 
 #define matrix_equal(m1, m2) \