Hi,

I noticed this little cleanup while preparing my big[ger] test suite 
cleanup.

Keith

testsuite/ChangeLog
2014-04-15  Keith Seitz  <keiths@redhat.com>

	* gdb.mi/mi-simplerun.exp (test_breakpoints_creation_and_listing):
	Remove unused globals.
	(test_running_the_program): Likewise.
	(test_controlled_execution): Likewise.
	(test_controlling_breakpoints): Likewise.
	(test_program_termination): Likewise.