[cleanup] Remove tests scripts that are not needed or do not work. Fi…

…xes MER#1289

fakealarm:
  Not needed, timedclient-qt5 can be used to create real alarms.

inhibit:
  Does not work, mcetool can be used for setting inhibit modes.

fakecharger:
  Uses bme specific legacy dbus interface, nowadays battery/charing
  information is obtained from statefs.

ledtest:
  Not needed, mcetool supports wider range of led control options.

mcetorture:
  Assumes legacy Nokia hw, does not work and is not needed.

sendtests:
  Uses D-Bus methods that are (no longer) supported by mce.

verifybacklight:
  Assumes legacy Nokia hw, does not work and is not needed.

verifyled:
  Assumes legacy Nokia hw, does not work and is not needed.