Update src/_imaging.c

Co-authored-by: Andrew Murray <3112309+radarhere@users.noreply.github.com>

Author: akx

src/_imaging.c

@@ -2214,7 +2214,7 @@ _transpose(ImagingObject *self, PyObject *args) {
         case 6:
             imTemp = ImagingTransverse(imOut, imIn);
             break;
-        default:  // Already checked above, but Clang-Tidy insists :)
+        default:
             PyErr_SetString(PyExc_ValueError, "No such transpose operation");
             return NULL;
     }