Remove methods for Appium 1.0

https://github.com/appium/appium/issues/1076

Revert "Fix #776"

This reverts commit 3db7a092474e9f5bfb64ca7d1ea6c8980fcb2b56.

Revert "Add search strings.xml value"

This reverts commit fb95cbd9531993d2949913fa0ee231cf997306f4.

Revert "Add mobile resolveId"

This reverts commit 6cb50d8edf6b9a9558a5e2af8868882b9711977f.