Remove @SuppressWarnings

Author: garydgregory

src/main/java/org/apache/commons/io/output/ProxyCollectionWriter.java

@@ -77,7 +77,6 @@ protected void afterWrite(final int n) throws IOException {
      * @throws IOException if an I/O error occurs.
      * @since 2.0
      */
-    @SuppressWarnings("resource") // Fluent API.
     @Override
     public Writer append(final char c) throws IOException {
         try {
@@ -97,7 +96,6 @@ public Writer append(final char c) throws IOException {
      * @return this writer
      * @throws IOException if an I/O error occurs.
      */
-    @SuppressWarnings("resource") // Fluent API.
     @Override
     public Writer append(final CharSequence csq) throws IOException {
         try {
@@ -120,7 +118,6 @@ public Writer append(final CharSequence csq) throws IOException {
      * @return this writer
      * @throws IOException if an I/O error occurs.
      */
-    @SuppressWarnings("resource") // Fluent API.
     @Override
     public Writer append(final CharSequence csq, final int start, final int end) throws IOException {
         try {