Fix a couple of packaging issues

- Fix client classes not being included in Forge.
 - Only remap Nettty's HTTP classes, not all of them. This feels a
   little more error prone - maybe we should jar-in-jar this in the
   future.
 - Use the correct refmaps on Forge.
 - Prevent the Fabric jar pulling in some other mods.

Closes #1247

projects/fabric/build.gradle.kts

@@ -35,9 +35,7 @@ addRemappedConfiguration("testWithSodium")
 addRemappedConfiguration("testWithIris")
 
 dependencies {
-    modImplementation(libs.bundles.externalMods.fabric) {
-        exclude("curse.maven", "configured-fabric-667378") // Added by Forge Config API
-    }
+    modImplementation(libs.bundles.externalMods.fabric)
     modCompileOnly(libs.bundles.externalMods.fabric.compile) {
         exclude("net.fabricmc", "fabric-loader")
         exclude("net.fabricmc.fabric-api")
@@ -238,6 +236,7 @@ publishing {
             mavenDependencies {
                 exclude(dependencies.create("cc.tweaked:"))
                 exclude(libs.jei.fabric.get())
+                exclude(libs.modmenu.get())
             }
         }
     }