Merge boxWithStdlib testData into box, delete BoxWithStdlib test

compiler/testData/codegen/box/jvmStatic/explicitObject.kt

@@ -0,0 +1,34 @@
+// WITH_RUNTIME
+
+object AX {
+
+    @JvmStatic val c: String = "OK"
+
+    @JvmStatic fun aStatic(): String {
+        return AX.b()
+    }
+
+    fun aNonStatic(): String {
+        return AX.b()
+    }
+
+    @JvmStatic fun b(): String {
+        return "OK"
+    }
+
+    fun getProperty(): String {
+        return AX.c
+    }
+
+}
+
+fun box() : String {
+
+    if (AX.aStatic() != "OK") return "fail 1"
+
+    if (AX.aNonStatic() != "OK") return "fail 2"
+
+    if (AX.getProperty() != "OK") return "fail 3"
+
+    return "OK"
+}