Revert "[Gradle] Add IT that useExperimentalAnnotation produces deprecation warn"

This reverts commit 7bb46121

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/SimpleKotlinGradleIT.kt

@@ -209,18 +209,6 @@ class SimpleKotlinGradleIT : KGPBaseTest() {
         }
     }
 
-    @GradleTest
-    @DisplayName("useExperimentalAnnotation should produce deprecation warning")
-    fun testUseExperimentalAnnotationShouldProduceWarning(gradleVersion: GradleVersion) {
-        project("optInAnnotation", gradleVersion, buildOptions = defaultBuildOptions.copy(logLevel = LogLevel.DEBUG)) {
-            build("assemble") {
-                assertOutputContains("-opt-in=kotlin.RequiresOptIn")
-                assertOutputContains("-opt-in=FooAnnotation")
-                assertOutputContains("is deprecated and will be removed in next major releases")
-            }
-        }
-    }
-
     @GradleTest
     @DisplayName("Should be compatible with project isolation")
     @GradleTestVersions(minVersion = TestVersions.Gradle.G_7_1, maxVersion = TestVersions.Gradle.G_7_1)

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/optInAnnotation/build.gradle

@@ -1,19 +0,0 @@
-plugins {
-    id "org.jetbrains.kotlin.jvm"
-}
-
-repositories {
-    mavenLocal()
-    mavenCentral()
-}
-
-kotlin {
-    sourceSets {
-        main {
-            languageSettings {
-                useExperimentalAnnotation("kotlin.RequiresOptIn")
-                useExperimentalAnnotation("FooAnnotation")
-            }
-        }
-    }
-}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/optInAnnotation/src/main/kotlin/foo.kt

@@ -1,11 +0,0 @@
-@Target(AnnotationTarget.CLASS)
-@Retention(AnnotationRetention.BINARY)
-@RequiresOptIn
-annotation class FooAnnotation
-
-@FooAnnotation
-class FooClass
-
-fun foo() {
-    FooClass()
-}