Revert "Status bar clock: add dependency on status bar show clock to am/pm ListPreference"

This reverts commit a75f03fa080356f40c785178c2520edf95a8fe31.
Revert "Status bar clock"

This reverts commit 9bac952fed8ef3afdba7231dcb8f2c9a8b3dab08.

Conflicts:
	res/values/ras_strings.xml
	src/com/android/settings/rascarlo/StatusBarSettings.java