Split ReplaceSingleLineLetInspection to SimpleRedundantLet & ComplexRedundantLet

Relates to #KT-32010

idea/testData/inspectionsLocal/complexRedundantLet/invokeCall5.kt

@@ -0,0 +1,9 @@
+// PROBLEM: none
+// WITH_RUNTIME
+class A {
+    operator fun invoke() {}
+}
+
+fun foo(a: A) {
+    (1 to a).<caret>let { (i, b) -> b() }
+}