Migrate bytecode text tests to multi-file framework

Get rid of BytecodeTextMultifileTestGenerated

compiler/testData/codegen/bytecodeText/javaStatics.kt

@@ -0,0 +1,44 @@
+// FILE: Child.java
+
+class Child extends Parent {
+    public static int b = 3;
+    public static int c = 4;
+    public static void bar() {}
+    public static void baz() {}
+}
+
+// FILE: Parent.java
+
+class Parent {
+    public static int a = 1;
+    public static int b = 2;
+    public static void foo() {}
+    public static void baz() {}
+}
+
+// FILE: test.kt
+
+fun test() {
+    Parent.a
+    Parent.b
+    Parent.foo()
+    Parent.baz()
+
+    Child.a
+    Child.b
+    Child.c
+    Child.foo()
+    Child.bar()
+    Child.baz()
+}
+
+// 1 GETSTATIC Parent.a : I
+// 1 GETSTATIC Parent.b : I
+// 1 INVOKESTATIC Parent.foo()
+// 1 INVOKESTATIC Parent.baz()
+// 1 GETSTATIC Child.a : I
+// 1 GETSTATIC Child.b : I
+// 1 GETSTATIC Child.c : I
+// 1 INVOKESTATIC Child.foo()
+// 1 INVOKESTATIC Child.bar()
+// 1 INVOKESTATIC Child.baz()