Remove leftovers of platformName and platformStatic in test data

Drop unnecessary imports, rename some tests

compiler/testData/codegen/boxWithStdlib/reflection/call/disallowNullValueForNotNullField.kt

@@ -1,13 +1,13 @@
 import kotlin.reflect.*
 import kotlin.reflect.jvm.*
-import kotlin.jvm.JvmStatic as static
 
 class A {
     private var foo: String = ""
 }
 
 object O {
-    private @static var bar: String = ""
+    @JvmStatic
+    private var bar: String = ""
 }
 
 class CounterTest<T>(t: T) {

compiler/testData/codegen/boxWithStdlib/reflection/call/incorrectNumberOfArguments.kt

@@ -1,4 +1,3 @@
-import kotlin.jvm.JvmStatic as static
 import kotlin.reflect.jvm.isAccessible
 import kotlin.reflect.KCallable
 import kotlin.reflect.KFunction
@@ -11,9 +10,11 @@ class A(private var bar: String = "") {
 }
 
 object O {
-    private @static var baz: String = ""
+    @JvmStatic
+    private var baz: String = ""
 
-    @static fun getBaz() = (O::class.members.single { it.name == "baz" } as KMutableProperty<*>).apply { isAccessible = true }
+    @JvmStatic
+    fun getBaz() = (O::class.members.single { it.name == "baz" } as KMutableProperty<*>).apply { isAccessible = true }
 
     fun getGetBaz() = O::class.members.single { it.name == "getBaz" } as KFunction<*>
 }

compiler/testData/codegen/boxWithStdlib/reflection/call/jvmStatic.kt

@@ -1,12 +1,12 @@
-import kotlin.jvm.JvmStatic as static
-
 object Obj {
-    @static fun foo() {}
+    @JvmStatic
+    fun foo() {}
 }
 
 class C {
     companion object {
-        @static fun bar() {}
+        @JvmStatic
+        fun bar() {}
     }
 }
 

compiler/testData/codegen/boxWithStdlib/reflection/call/jvmStaticInObjectIncorrectReceiver.kt

@@ -1,9 +1,12 @@
-import kotlin.jvm.JvmStatic as static
-
 object Obj {
-    @static fun foo(s: String) {}
-    @static fun bar() {}
-    @static fun sly(obj: Obj) {}
+    @JvmStatic
+    fun foo(s: String) {}
+
+    @JvmStatic
+    fun bar() {}
+
+    @JvmStatic
+    fun sly(obj: Obj) {}
 
     operator fun get(name: String) = Obj::class.members.single { it.name == name }
 }