Revert "Report warning on @JvmStatic in private companion objects"

This reverts commit 9669ab14

compiler/testData/diagnostics/testsWithStdLib/annotations/jvmStatic/privateCompanionObject.fir.kt

@@ -1,29 +0,0 @@
-// Issue: KT-25114
-// !DIAGNOSTICS: -UNUSED_PARAMETER
-
-class WithPrivateCompanion {
-    private companion object {
-        @JvmStatic
-        val staticVal1: Int = 42
-
-        val staticVal2: Int
-            @JvmStatic get() = 42
-
-        @get:JvmStatic
-        val staticVal3: Int = 42
-
-        @JvmStatic
-        var staticVar1: Int = 42
-
-        var staticVar2: Int
-            @JvmStatic get() = 42
-            @JvmStatic set(value) {}
-
-        @get: JvmStatic
-        @set: JvmStatic
-        var staticVar3: Int = 42
-
-        @JvmStatic
-        fun staticFunction() {}
-    }
-}

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

@@ -1,29 +1,30 @@
 // Issue: KT-25114
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNUSED_PARAMETER
 
 class WithPrivateCompanion {
     private companion object {
-        <!JVM_STATIC_IN_PRIVATE_COMPANION!>@JvmStatic<!>
+        @JvmStatic
         val staticVal1: Int = 42
 
         val staticVal2: Int
-            <!JVM_STATIC_IN_PRIVATE_COMPANION!>@JvmStatic<!> get() = 42
+            @JvmStatic get() = 42
 
-        <!JVM_STATIC_IN_PRIVATE_COMPANION!>@get:JvmStatic<!>
+        @get:JvmStatic
         val staticVal3: Int = 42
 
-        <!JVM_STATIC_IN_PRIVATE_COMPANION!>@JvmStatic<!>
+        @JvmStatic
         var staticVar1: Int = 42
 
         var staticVar2: Int
-            <!JVM_STATIC_IN_PRIVATE_COMPANION!>@JvmStatic<!> get() = 42
-            <!JVM_STATIC_IN_PRIVATE_COMPANION!>@JvmStatic<!> set(value) {}
+            @JvmStatic get() = 42
+            @JvmStatic set(value) {}
 
-        <!JVM_STATIC_IN_PRIVATE_COMPANION!>@get: JvmStatic<!>
-        <!JVM_STATIC_IN_PRIVATE_COMPANION!>@set: JvmStatic<!>
+        @get: JvmStatic
+        @set: JvmStatic
         var staticVar3: Int = 42
 
-        <!JVM_STATIC_IN_PRIVATE_COMPANION!>@JvmStatic<!>
+        @JvmStatic
         fun staticFunction() {}
     }
 }