Update Kotlin to 1.9.10

Also
- remove obsolete HMPP properties
- remove legacy JS backend target

Author: SvyatoslavScherbina

core/build.gradle.kts

@@ -21,7 +21,7 @@ kotlin {
         target("mingwX64")
     }
 
-    js {
+    js(IR) {
         moduleName = "${rootProject.name}-${project.name}"
         nodejs {
         }
@@ -76,8 +76,7 @@ kotlin {
         kotlin.setSrcDirs(listOf("$name/src"))
         resources.setSrcDirs(listOf("$name/resources"))
         languageSettings.apply {
-            useExperimentalAnnotation("kotlin.Experimental")
-            useExperimentalAnnotation("kotlinx.cli.ExperimentalCli")
+            optIn("kotlinx.cli.ExperimentalCli")
         }
     }
 }

gradle.properties

@@ -4,13 +4,6 @@ versionSuffix=SNAPSHOT
 kotlin.code.style=official
 
 infraVersion = 0.3.0-dev-64
-kotlinVersion = 1.6.0
+kotlinVersion = 1.9.10
 
 kotlin.incremental.multiplatform=true
-
-kotlin.js.compiler=both
-
-# HMPP Flags. Remove after upgrade to 1.7.0
-kotlin.mpp.enableGranularSourceSetsMetadata=true
-kotlin.native.enableDependencyPropagation=false
-kotlin.mpp.enableCompatibilityMetadataVariant=true