Revert "Mms: Allow to delay sending SMS"

This reverts commit 2ce762932408d9ca110d4b6111d97aa9b91a17a0.

Conflicts:
	res/values/cm_strings.xml
	res/xml/preferences.xml
	src/com/android/mms/transaction/SmsReceiverService.java
	src/com/android/mms/ui/MessagingPreferenceActivity.java

Change-Id: I4eebf737954434010cbbf7f243c34889cfd961c6
Merge branch 'head' into cm-10.2

Conflicts:
	src/com/android/mms/transaction/SmsReceiverService.java
	src/com/android/mms/ui/MessagingPreferenceActivity.java

Change-Id: Ie744e40a5fc1822f7f6964ee9f347c77afa3e569