Unify plugin remapping debug flags

patches/server/Plugin-remapping.patch

@@ -239,13 +239,11 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +
 +/**
 + * {@link PrintWriter}-backed logger implementation for use with {@link net.neoforged.art.api.Renamer} which
-+ * only opens the backing writer and logs messages when the {@link #DEBUG} system property
++ * only opens the backing writer and logs messages when the {@link PluginRemapper#DEBUG_LOGGING} system property
 + * is set to true.
 + */
 +@DefaultQualifier(NonNull.class)
 +final class DebugLogger implements Consumer<String>, AutoCloseable {
-+    private static final boolean DEBUG = Boolean.getBoolean("paper.remap-debug");
-+
 +    private final @Nullable PrintWriter writer;
 +
 +    DebugLogger(final Path logFile) {
@@ -282,7 +280,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +    }
 +
 +    private static @Nullable PrintWriter createWriter(final Path logFile) throws IOException {
-+        if (!DEBUG) {
++        if (!PluginRemapper.DEBUG_LOGGING) {
 +            return null;
 +        }
 +        if (!Files.exists(logFile.getParent())) {