backend: update kotlin-compiler and remove code contributed to Kotlin

Update kotlin-compiler to 1.1-20170112.203631-353

Also remove workarounds for fixed bugs.

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/IrToBitcode.kt

@@ -33,9 +33,9 @@ internal fun emitLLVM(context: Context) {
 
         val irModule = context.irModule!!
         // Note that we don't set module target explicitly.
-        // It is determined by the target of runtime.bc 
+        // It is determined by the target of runtime.bc
         // (see Llvm class in ContextUtils)
-        // Which in turn is determined by the clang flags 
+        // Which in turn is determined by the clang flags
         // used to compile runtime.bc.
         val llvmModule = LLVMModuleCreateWithName("out")!! // TODO: dispose
         context.llvmModule = llvmModule