examples/emotion: remove dead code

this can never be reached

CID 1400928

Reviewed-by: Marcel Hollerbach <mail@marcel-hollerbach.de>
Differential Revision: https://phab.enlightenment.org/D10322

src/examples/emotion/emotion_signals_example.c

@@ -162,8 +162,6 @@ main(int argc, const char *argv[])
    ecore_evas_shutdown();
    return 0;
 
-   ecore_evas_free(ee);
-
 error:
    ecore_evas_shutdown();
    return -1;