tests/pm_rpm: remove POWER_DIR definition
tests/pm_rpm: remove POWER_DIR definition

Unused ever since we moved some code from pm_rpm.c to lib/. This is
currently defined inside igt_aux.c.

Acked-by: Daniel Vetter <c1b6782c4af8f0673da8923a0702a1832e5940f4@ffwll.ch>
Signed-off-by: Paulo Zanoni <cc0e04a2103c45cd195651d976f79813d0f66bdf@intel.com>

tiagovignatti/intel-gpu-tools,tiagovignatti/intel-gpu-tools,tiagovignatti/intel-gpu-tools,tiagovignatti/intel-gpu-tools