Replace manual shade patch for FG with reproducible builds plugin

gradle/reprod/patches/forgegradle/0002-Manually-force-reproducible-archives.patch

@@ -1,53 +0,0 @@
-From 2f3f4c59239b66e4ce09d2bbef39d7ce4eda44e9 Mon Sep 17 00:00:00 2001
-From: Jonas Herzig <me@johni0702.de>
-Date: Mon, 7 Aug 2017 19:53:46 +0200
-Subject: [PATCH 2/5] Manually force reproducible archives
-
-For some reason shading one of the libs isn't done in an
-reproducible way (produces different jar whenever jar task is run).
----
- build.gradle | 21 +++++++++++++++++++++
- 1 file changed, 21 insertions(+)
-
-diff --git a/build.gradle b/build.gradle
-index 468733e..91ea99a 100644
---- a/build.gradle
-+++ b/build.gradle
-@@ -122,6 +122,10 @@ processResources {
-     }
- }
- 
-+import java.util.jar.JarEntry
-+import java.util.jar.JarFile
-+import java.util.jar.JarOutputStream
-+
- jar {
- 
-     configurations.shade.each { dep ->
-@@ -136,6 +140,23 @@ jar {
-         attributes 'group':project.group
-         attributes 'Implementation-Version': project.version + getGitHash()
-     }
-+
-+    // For some reason using gradle's reproducibleFileOrder and preserveFileTimestamps just isn't enough
-+    doLast {
-+        File newFile = new File(archivePath.parent, 'tmp-' + archiveName)
-+        newFile.withOutputStream { fout ->
-+            JarOutputStream out = new JarOutputStream(fout)
-+            JarFile jf = new JarFile(archivePath)
-+            jf.entries().unique {it.name}.sort {it.name}.each {
-+                def copy = new JarEntry(it.name)
-+                copy.time = 0
-+                out.putNextEntry(copy)
-+                out << jf.getInputStream(it)
-+            }
-+            out.finish()
-+        }
-+        newFile.renameTo archivePath
-+    }
- }
- 
- javadoc {
--- 
-2.5.5
-