core: Remove unused strings

These are from CAF but they are no longer used and generate aapt warnings.
They should have been removed in this http://review.cyanogenmod.org/60253

Change-Id: I285a3767dff0b5ccd01a2a9c9863377f11060f81
(cherry picked from commit da9f540c196adbe258ac8e0680b12d5e0fcfddd0)
Automatic translation import

Change-Id: I9b8f587012906730b80d163a88bfd2b4943e0049
(cherry picked from commit da0f2d6dde1391e9697fd5fcb825920115a228c3)

Conflicts:
	core/res/res/values-de/cm_strings.xml
	core/res/res/values-es-rXA/cm_caf.xml
	core/res/res/values-es-rXA/cm_strings.xml
	core/res/res/values-es/cm_strings.xml
	core/res/res/values-fr/cm_caf.xml
	core/res/res/values-fr/cm_strings.xml
	core/res/res/values-hu/cm_caf.xml
	core/res/res/values-hu/cm_strings.xml
	core/res/res/values-it/cm_strings.xml
	core/res/res/values-iw/cm_strings.xml
	core/res/res/values-lt/cm_strings.xml
	core/res/res/values-pl/cm_caf.xml
	core/res/res/values-pl/cm_strings.xml
	core/res/res/values-sv/cm_strings.xml
	core/res/res/values-tr/cm_strings.xml
	core/res/res/values-zh-rCN/cm_caf.xml
	core/res/res/values-zh-rCN/cm_strings.xml
	packages/Keyguard/res/values-af/cm_caf.xml
	packages/Keyguard/res/values-ca/cm_caf.xml
	packages/Keyguard/res/values-cs/cm_strings.xml
	packages/Keyguard/res/values-da/cm_caf.xml
	packages/Keyguard/res/values-da/cm_strings.xml
	packages/Keyguard/res/values-de/cm_caf.xml
	packages/Keyguard/res/values-es-rXA/cm_caf.xml
	packages/Keyguard/res/values-es/cm_caf.xml
	packages/Keyguard/res/values-fi/cm_caf.xml
	packages/Keyguard/res/values-fi/cm_strings.xml
	packages/Keyguard/res/values-fr/cm_caf.xml
	packages/Keyguard/res/values-hu/cm_caf.xml
	packages/Keyguard/res/values-hu/cm_strings.xml
	packages/Keyguard/res/values-it/cm_caf.xml
	packages/Keyguard/res/values-it/cm_strings.xml
	packages/Keyguard/res/values-iw/cm_caf.xml
	packages/Keyguard/res/values-ja/cm_caf.xml
	packages/Keyguard/res/values-lt/cm_strings.xml
	packages/Keyguard/res/values-nl/cm_caf.xml
	packages/Keyguard/res/values-pl/cm_caf.xml
	packages/Keyguard/res/values-pt-rBR/cm_caf.xml
	packages/Keyguard/res/values-pt-rPT/cm_caf.xml
	packages/Keyguard/res/values-pt-rPT/cm_strings.xml
	packages/Keyguard/res/values-ru/cm_caf.xml
	packages/Keyguard/res/values-ru/cm_strings.xml
	packages/Keyguard/res/values-sk/cm_caf.xml
	packages/Keyguard/res/values-sk/cm_strings.xml
	packages/Keyguard/res/values-tr/cm_caf.xml
	packages/Keyguard/res/values-zh-rCN/cm_caf.xml
	packages/Keyguard/res/values-zh-rTW/cm_caf.xml
	packages/SystemUI/res/values-es-rXA/cm_strings.xml
	packages/SystemUI/res/values-es/cm_strings.xml
	packages/SystemUI/res/values-fr/cm_strings.xml
	packages/SystemUI/res/values-hu/cm_strings.xml
	packages/SystemUI/res/values-it/cm_strings.xml
	packages/SystemUI/res/values-ja/cm_strings.xml
	packages/SystemUI/res/values-lt/cm_strings.xml
	packages/SystemUI/res/values-pl/cm_strings.xml
	packages/SystemUI/res/values-pt-rPT/cm_strings.xml
	packages/SystemUI/res/values-zh-rCN/cm_strings.xml
	packages/WallpaperCropper/res/values-es-rXA/strings.xml
	packages/WallpaperCropper/res/values-es/strings.xml
	packages/WallpaperCropper/res/values-fr/strings.xml
	packages/WallpaperCropper/res/values-hu/strings.xml
	packages/WallpaperCropper/res/values-it/strings.xml
	packages/WallpaperCropper/res/values-pl/strings.xml
	packages/WallpaperCropper/res/values-zh-rCN/strings.xml