Merge boxWithStdlib testData into box, delete BoxWithStdlib test

compiler/testData/codegen/box/storeStackBeforeInline/withLambda.kt

@@ -0,0 +1,15 @@
+// WITH_RUNTIME
+
+import kotlin.test.assertEquals
+
+inline fun bar(x: String, block: (String) -> String) = "def" + block(x)
+fun foobar(x: String, y: String, z: String) = x + y + z
+
+fun foo() : String {
+    return foobar("abc", bar("ghi") { x -> x + "jkl" }, "mno")
+}
+
+fun box() : String {
+    assertEquals("abcdefghijklmno", foo())
+    return "OK"
+}