[FE 1.0] Remove usages of safeAs and cast from most of FE 1.0 modules:

- :core:descriptors
- :core:descriptors.jvm
- :core:deserialization
- :compiler:cli
- :compiler:frontend
- :compiler:frontend:cfg
- :compiler:frontend.java
- :compiler:frontend.common.jvm
- :compiler:psi
- :compiler:resolution
- :compiler:resolution.common
- :compiler:resolution.common.jvm
- :kotlin-reflect-api

compiler/frontend.java/src/org/jetbrains/kotlin/load/kotlin/kotlinJvmBinaryClassUtil.kt

@@ -20,18 +20,13 @@ import org.jetbrains.kotlin.descriptors.CallableDescriptor
 import org.jetbrains.kotlin.load.java.lazy.descriptors.LazyJavaPackageFragment
 import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedCallableMemberDescriptor
 import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedClassDescriptor
-import org.jetbrains.kotlin.utils.addToStdlib.safeAs
 
 fun CallableDescriptor.getContainingKotlinJvmBinaryClass(): KotlinJvmBinaryClass? {
     if (this !is DeserializedCallableMemberDescriptor) return null
 
-    val container = containingDeclaration
-
-    return when (container) {
-        is DeserializedClassDescriptor ->
-            container.source.safeAs<KotlinJvmBinarySourceElement>()?.binaryClass
-        is LazyJavaPackageFragment ->
-            container.source.safeAs<KotlinJvmBinaryPackageSourceElement>()?.getRepresentativeBinaryClass()
+    return when (val container = containingDeclaration) {
+        is DeserializedClassDescriptor -> (container.source as? KotlinJvmBinarySourceElement)?.binaryClass
+        is LazyJavaPackageFragment -> (container.source as? KotlinJvmBinaryPackageSourceElement)?.getRepresentativeBinaryClass()
         else -> null
     }
 }

compiler/frontend.java/src/org/jetbrains/kotlin/resolve/jvm/RuntimeAssertions.kt

@@ -128,7 +128,7 @@ object RuntimeAssertionsOnExtensionReceiverCallChecker : CallChecker {
 
     private fun checkReceiver(receiverParameter: ReceiverParameterDescriptor?, receiverValue: ReceiverValue?, context: CallCheckerContext) {
         if (receiverParameter == null || receiverValue == null) return
-        val expressionReceiverValue = receiverValue.safeAs<ExpressionReceiver>() ?: return
+        val expressionReceiverValue = receiverValue as? ExpressionReceiver ?: return
         val receiverExpression = expressionReceiverValue.expression
         val c = context.resolutionContext