minor: small cleanup in K2 scripting support code

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrConverter.kt

@@ -330,16 +330,13 @@ class Fir2IrConverter(
                     declarationStorage.enterScope(irScript)
                     irScript.parent = parent
                     for (scriptStatement in declaration.statements) {
-                        if (scriptStatement is FirDeclaration) {
-                            when (scriptStatement) {
-                                is FirRegularClass -> {
-                                    registerClassAndNestedClasses(scriptStatement, irScript)
-                                    processClassAndNestedClassHeaders(scriptStatement)
-                                }
-                                is FirTypeAlias -> classifierStorage.registerTypeAlias(scriptStatement, irScript)
-                                else -> {}
+                        when (scriptStatement) {
+                            is FirRegularClass -> {
+                                registerClassAndNestedClasses(scriptStatement, irScript)
+                                processClassAndNestedClassHeaders(scriptStatement)
                             }
-
+                            is FirTypeAlias -> classifierStorage.registerTypeAlias(scriptStatement, irScript)
+                            else -> {}
                         }
                     }
                     for (scriptStatement in declaration.statements) {

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrVisitor.kt

@@ -71,7 +71,7 @@ class Fir2IrVisitor(
     private val operatorGenerator = OperatorExpressionGenerator(components, this, conversionScope)
 
     private var _annotationMode: Boolean = false
-    public val annotationMode: Boolean
+    val annotationMode: Boolean
         get() = _annotationMode
 
     private fun FirTypeRef.toIrType(): IrType = with(typeConverter) { toIrType() }

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/NodeConfigurator.kt

@@ -491,7 +491,7 @@ object NodeConfigurator : AbstractFieldConfigurator<FirTreeBuilder>(FirTreeBuild
             +name
             +fieldList(statement).withTransform()
             +symbol("FirScriptSymbol")
-            +FieldList("parameters", variable, withReplace = false)
+            +fieldList("parameters", variable, withReplace = false)
             +fieldList(contextReceiver, useMutableOrEmpty = true)
             +field("resultPropertyName", nameType, nullable = true)
         }

compiler/util/src/org/jetbrains/kotlin/utils/PathUtil.kt

@@ -86,9 +86,7 @@ object PathUtil {
 
     val KOTLIN_SCRIPTING_PLUGIN_CLASSPATH_JARS = arrayOf(
         KOTLIN_SCRIPTING_COMPILER_PLUGIN_JAR, KOTLIN_SCRIPTING_COMPILER_IMPL_JAR,
-        KOTLINX_COROUTINES_CORE_JAR,
         KOTLIN_SCRIPTING_COMMON_JAR, KOTLIN_SCRIPTING_JVM_JAR,
-        JS_ENGINES_JAR
     )
 
     const val KOTLIN_TEST_NAME = "kotlin-test"