Remove custom Iris build and downgrade sodium

.gitignore

@@ -1,3 +1,38 @@
 /server
 /build
-/mods
+
+# Minecraft
+local/
+saves/
+mods/
+logs/
+crash-reports/
+backups/
+resourcepacks/
+shaderpacks/
+server-resource-packs/
+screenshots/
+defaultconfigs/
+schematics/
+texturepacks/
+coremods/
+downloads/
+modernfix/
+fancymenu_data/
+ESM/
+journeymap/
+.mixin.out/
+modern_industrialization/
+waypoints/
+
+patchouli_data.json
+icon.png
+options.txt
+rhino.local.properties
+usercache.json
+usernamecache.json
+emi.json
+command_history.txt
+servers.dat
+
+config/iris.properties