Remove leftovers of platformName and platformStatic in test data

Drop unnecessary imports, rename some tests

compiler/testData/diagnostics/testsWithStdLib/annotations/jvmStatic/property.kt

@@ -0,0 +1,44 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+open class B {
+    public open val base1 : Int = 1
+    public open val base2 : Int = 1
+}
+
+class A {
+    companion object : B() {
+        var p1:Int = 1
+            @JvmStatic set(p: Int) {
+                p1 = 1
+            }
+
+        @JvmStatic val z = 1;
+
+        @JvmStatic override val base1: Int = 0
+
+        override val base2: Int = 0
+            @JvmStatic get
+    }
+
+    object A : B() {
+        var p:Int = 1
+            @JvmStatic set(p1: Int) {
+                p = 1
+            }
+
+        @JvmStatic val z = 1;
+
+        <!OVERRIDE_CANNOT_BE_STATIC!>@JvmStatic override val base1: Int<!> = 0
+
+        @JvmStatic <!NON_FINAL_MEMBER_IN_OBJECT!>open<!> fun f() {}
+
+        override val base2: Int = 0
+            <!OVERRIDE_CANNOT_BE_STATIC!>@JvmStatic get<!>
+    }
+
+    var p:Int = 1
+        <!JVM_STATIC_NOT_IN_OBJECT!>@JvmStatic set(p1: Int)<!> {
+            p = 1
+        }
+
+    <!JVM_STATIC_NOT_IN_OBJECT!>@JvmStatic val z2<!> = 1;
+}