drop deprecated @platformName and @platformStatic annotations

compiler/testData/loadJava/compiledKotlinWithStdlib/platformNames/functionName.kt

@@ -1,18 +1,16 @@
 package test
 
-import kotlin.platform.*
-
 annotation class A(val s: String)
 
-@platformName("bar")
 @A("1")
+@JvmName("bar")
 fun foo() = "foo"
 
 @field:A("2")
 var v: Int = 1
-    @platformName("vget")
     @A("3")
+    @JvmName("vget")
     get
-    @platformName("vset")
     @A("4")
+    @JvmName("vset")
     set

compiler/testData/loadJava/compiledKotlinWithStdlib/platformNames/functionName.txt

@@ -1,9 +1,9 @@
 package test
 
 @field:test.A(s = "2") public var v: kotlin.Int
-    @kotlin.platform.platformName(name = "vget") @test.A(s = "3") public fun <get-v>(): kotlin.Int
-    @kotlin.platform.platformName(name = "vset") @test.A(s = "4") public fun <set-v>(/*0*/ <set-?>: kotlin.Int): kotlin.Unit
-@kotlin.platform.platformName(name = "bar") @test.A(s = "1") public fun foo(): kotlin.String
+    @test.A(s = "3") @kotlin.jvm.JvmName(name = "vget") public fun <get-v>(): kotlin.Int
+    @test.A(s = "4") @kotlin.jvm.JvmName(name = "vset") public fun <set-v>(/*0*/ <set-?>: kotlin.Int): kotlin.Unit
+@test.A(s = "1") @kotlin.jvm.JvmName(name = "bar") public fun foo(): kotlin.String
 
 public final annotation class A : kotlin.Annotation {
     /*primary*/ public constructor A(/*0*/ s: kotlin.String)