mark BWTA as deprecated instead of writing a warningt to stderr

Author: JasperGeurtz

src/main/java/bwta/BWTA.java

@@ -42,8 +42,11 @@ public static void setFailOnErrorStream(OutputStream stream) {
         bwem.setFailOutputStream(stream);
     }
 
+    /**
+     * @deprecated This BWTA is fake and only translates BWTA calls to their respective BWEM calls. Please use BWEM directly if possible."
+     */
+    @Deprecated
     public static void readMap(final Game game) {
-        System.err.println("WARNING: this BWTA is fake and only translates BWTA calls to their respective BWEM calls. Please use BWEM directly if possible.");
         bwem = new BWEM(game);
     }