Update server build file

patches/server/Build-system-changes.patch

@@ -21,14 +21,6 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
      implementation("com.googlecode.json-simple:json-simple:1.1.1") {
          // This includes junit transitively for whatever reason
          isTransitive = false
-@@ -0,0 +0,0 @@ tasks.jar {
-             "Specification-Title" to "Bukkit",
-             "Specification-Version" to project.version,
-             "Specification-Vendor" to "Bukkit Team",
-+            "Multi-Release" to "true", // Paper
-         )
-         for (tld in setOf("net", "com", "org")) {
-             attributes("$tld/bukkit", "Sealed" to true)
 @@ -0,0 +0,0 @@ relocation {
      }
  }
@@ -36,9 +28,10 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +val generatePom = tasks.named<GenerateMavenPom>("generatePomFileForMavenPublication")
 +
  tasks.shadowJar {
+     configurations = listOf(project.configurations.vanillaServer.get())
      archiveClassifier.set("mojang-mapped")
  
-+    // Needed for Paperclip's install to maven local feature
++    // Needed for Paperclip's install to maven local feature // todo: are we keeping this? if so is this still correct?
 +    from(generatePom) {
 +        into("META-INF/maven/io.papermc.paper/paper")
 +        rename { "pom.xml" }