i2c: pxa: drop unneeded MODULE_ALIAS

The MODULE_DEVICE_TABLE already creates proper alias for platform
driver.  Having another MODULE_ALIAS causes the alias to be duplicated.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

drivers/i2c/busses/i2c-pxa.c

@@ -1547,7 +1547,6 @@ static void __exit i2c_adap_pxa_exit(void)
 }
 
 MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:pxa2xx-i2c");
 
 subsys_initcall(i2c_adap_pxa_init);
 module_exit(i2c_adap_pxa_exit);