Drop module "ktm" scripts and support java source roots in "xml" modules

Drop kotlin.modules package from runtime
Move adapted classes into compiler
Unsupport files with "ktm" extension
Delete code for loading module scripts
Drop tests for module scripts
Separate section for java source roots in xml script generator/parser

compiler/testData/compiler/smoke/Smoke.ktm

@@ -1,7 +0,0 @@
-import kotlin.modules.*
-
-fun project() {
-    module("smoke", ".") {
-        sources += "Smoke.kt"
-    }
-}

compiler/testData/integration/smoke/compileAndRunModule/Smoke.compile.expected

@@ -1 +0,0 @@
-Return code: 0

compiler/testData/integration/smoke/compileAndRunModule/Smoke.kt

@@ -1,5 +0,0 @@
-package Smoke
-
-fun main(args: Array<String>) {
-    print("${args[0]}|${args[1]}|${args[2]}")
-}

compiler/testData/integration/smoke/compileAndRunModule/Smoke.ktm

@@ -1,7 +0,0 @@
-import kotlin.modules.*
-
-fun project() {
-    module("smoke", ".") {
-        sources += "Smoke.kt"
-    }
-}

compiler/testData/integration/smoke/compileAndRunModule/Smoke.run.expected

@@ -1,3 +0,0 @@
-OUT:
-1|2|3
-Return code: 0