Temporarily remove JvmPackageName and tests, but keep the implementation

This is needed because we want the compiler code to stay as much the
same in master and in 1.2 as possible

compiler/testData/diagnostics/testsWithStdLib/annotations/jvmPackageName/incorrectJvmPackageName.kt

@@ -1,34 +0,0 @@
-// !DIAGNOSTICS: -INVISIBLE_MEMBER -INVISIBLE_REFERENCE
-// !API_VERSION: 1.2
-
-// FILE: a.kt
-<!JVM_PACKAGE_NAME_NOT_SUPPORTED_IN_MULTIFILE_CLASSES!>@file:JvmPackageName("a")<!>
-@file:JvmMultifileClass
-package a
-fun a() {}
-
-// FILE: b.kt
-<!JVM_PACKAGE_NAME_CANNOT_BE_EMPTY!>@file:JvmPackageName("")<!>
-package b
-fun b() {}
-
-// FILE: c.kt
-<!JVM_PACKAGE_NAME_MUST_BE_VALID_NAME!>@file:JvmPackageName("invalid-fq-name")<!>
-package c
-fun c() {}
-
-// FILE: d.kt
-<!JVM_PACKAGE_NAME_NOT_SUPPORTED_IN_FILES_WITH_CLASSES!>@file:JvmPackageName("d")<!>
-package d
-class D
-fun d() {}
-
-// FILE: e.kt
-@file:JvmPackageName(<!CONSTANT_EXPECTED_TYPE_MISMATCH!>42<!>)
-package e
-fun e() {}
-
-// FILE: f.kt
-@file:JvmPackageName(<!EXPRESSION_EXPECTED_PACKAGE_FOUND!>f<!>)
-package f
-const val name = "f"

compiler/testData/diagnostics/testsWithStdLib/annotations/jvmPackageName/incorrectJvmPackageName.txt

@@ -1,32 +0,0 @@
-package
-
-package a {
-    public fun a(): kotlin.Unit
-}
-
-package b {
-    public fun b(): kotlin.Unit
-}
-
-package c {
-    public fun c(): kotlin.Unit
-}
-
-package d {
-    public fun d(): kotlin.Unit
-
-    public final class D {
-        public constructor D()
-        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
-        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
-    }
-}
-
-package e {
-    public fun e(): kotlin.Unit
-}
-
-package f {
-    public const val name: kotlin.String = "f"
-}