Cleanup: post-cleanup after deprecation cleanup in compiler

Replace `takeIf { !expr }` with `takeUnless { expr }`.
Cleanup redundant parethesis as in `listOf((expr))`.
Replace `listOf(expr)` with `expr.let(::listOf)` where the former caused significant indentation change.

compiler/backend/src/org/jetbrains/kotlin/codegen/builtinSpecialBridges.kt

@@ -63,8 +63,7 @@ object BuiltinSpecialBridgesUtil {
 
         val specialBridgeExists = function.getSpecialBridgeSignatureIfExists(signatureByDescriptor) != null
         val specialBridgesSignaturesInSuperClass = function.overriddenTreeAsSequence(useOriginal = true).mapNotNull {
-            if (it === function) return@mapNotNull null
-            it.getSpecialBridgeSignatureIfExists(signatureByDescriptor)
+            it.takeUnless { it === function }?.getSpecialBridgeSignatureIfExists(signatureByDescriptor)
         }
         val isTherePossibleClashWithSpecialBridge =
                 specialBridgeSignature in specialBridgesSignaturesInSuperClass

compiler/backend/src/org/jetbrains/kotlin/codegen/coroutines/CoroutineCodegen.kt

@@ -288,7 +288,7 @@ class CoroutineCodegen private constructor(
     }
 
     private fun allFunctionParameters() =
-            listOfNotNull(originalSuspendFunctionDescriptor.extensionReceiverParameter) +
+            originalSuspendFunctionDescriptor.extensionReceiverParameter.let(::listOfNotNull) +
             originalSuspendFunctionDescriptor.valueParameters.orEmpty()
 
     private fun ParameterDescriptor.getFieldInfoForCoroutineLambdaParameter() =