Delete all Braintree code

We never launched this, don't planning on launching it now anyway, and it's rotted over the past two years anyway.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=202993577

java/google/registry/ui/ConsoleDebug.java

@@ -14,6 +14,9 @@
 
 package google.registry.ui;
 
+import dagger.Module;
+import dagger.Provides;
+
 /** Enum defining which JS/CSS files get rendered in a soy templates. */
 public enum ConsoleDebug {
 
@@ -44,4 +47,14 @@ public enum ConsoleDebug {
   public static void set(ConsoleDebug value) {
     System.setProperty(PROPERTY, value.toString());
   }
+
+  /** Dagger module for ConsoleDebug. */
+  @Module
+  public static final class ConsoleConfigModule {
+
+    @Provides
+    static ConsoleDebug provideConsoleDebug() {
+      return ConsoleDebug.get();
+    }
+  }
 }