remove the additional line added to the MPU port.c as the original code was correct...

remove the additional line added to the MPU port.c as the original code was correct.  Instead remove the alignment assert by adding #define portALIGNMENT_ASSERT_pxCurrentTCB ( void )
 to the portmacor.h file.

git-svn-id: https://svn.code.sf.net/p/freertos/code/trunk@1816 1d2547de-c912-0410-9cb9-b8ca96c0e9e2