Squashed : Nicki : remove msim support

slim doesn't support msim so remove it

Revert "nicki: init: replace baseband version with model number"

This reverts commit de25a346128556151f650c064c43b5907b5f86d9.

Revert "nicki: clean-up class_main script"

This reverts commit 05a479bdafe0e29d56b9ffe3cc3fe9a6e8f320d3.

Revert "nicki: init: remove uneeded"

This reverts commit 1952a583a57fd8e6284716ebb7a808755724bbfb.

Revert "nicki: support xperia m dual"

This reverts commit e39bfacf32c651c76a6288e9be922ac11e7a29c4.