build: Remove redundant Java compatibility block from sentry-apollo-4 (#5633)

The root build script already sets sourceCompatibility/targetCompatibility to
VERSION_1_8 for every java-library subproject, so the module-level declaration
was a no-op.

Author: runningcode

sentry-apollo-4/build.gradle.kts

@@ -11,11 +11,6 @@ plugins {
   alias(libs.plugins.animalsniffer)
 }
 
-configure<JavaPluginExtension> {
-  sourceCompatibility = JavaVersion.VERSION_1_8
-  targetCompatibility = JavaVersion.VERSION_1_8
-}
-
 tasks.withType<KotlinCompile>().configureEach {
   compilerOptions.jvmTarget = org.jetbrains.kotlin.gradle.dsl.JvmTarget.JVM_1_8
   compilerOptions.languageVersion = org.jetbrains.kotlin.gradle.dsl.KotlinVersion.KOTLIN_1_9