Revert "TeleService: Add support to show call duration when diconnect"

This reverts commit 0d5d2c2a52dba97088e213207246098c786817aa.

Conflicts:
	res/values-zh-rCN/strings.xml
	res/values/strings.xml
	src/com/android/phone/CallFeaturesSetting.java
	src/com/android/phone/Constants.java
Remove speed dial settings from telephony settings.

It's in the general dialer settings now.

Change-Id: Ifeef812d35a06d272d7197a1f39cdefdc68d2d28

Conflicts:
	res/xml/call_feature_setting.xml
TeleService: Add missing preference in non MSim case

* Hide for now

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>