Remove kms-dtls-plugins submodule

Change-Id: Ifa8515bc25dcc5fb97ac68ebd564717cefb9c56b
Remove autotools files that are not used

Change-Id: I33e56761dcce2d978900b839d9c8a57149d3b558
Remove not needed cmake files

Change-Id: I6aa7105f628d5d813d690654479c5919f15c7bbd
Prepare directory structure to integrate autogenerated code

Change-Id: I4cd4c5768344d3c3b7bf57d6e434945aaef989e8