Remove 'withJava()' calls

This API will become a warning in future Kotlin releases in projects with Gradle 8.7+.
In integration tests this API is not yet possible to remove as KAPT will
stop working. Should be removed once project will start using Kotlin
2.1.20-Beta2 release.

Author: Tapchicoma

buildSrc/src/main/kotlin/source-sets-conventions.gradle.kts

@@ -28,7 +28,6 @@ kotlin {
     explicitApi()
 
     jvm {
-        withJava()
         @OptIn(ExperimentalKotlinGradlePluginApi::class)
         compilerOptions {
             jvmTarget = JvmTarget.JVM_1_8