Remove now unnecessary REIPluginInfo class

src/main/java/me/shedaniel/rei/api/REIPluginInfo.java

@@ -1,34 +0,0 @@
-package me.shedaniel.rei.api;
-
-import com.google.gson.Gson;
-import com.google.gson.GsonBuilder;
-import com.google.gson.annotations.SerializedName;
-
-import java.util.List;
-
-public class REIPluginInfo {
-    
-    public static Gson GSON = new GsonBuilder().create();
-    
-    private List<REIPlugin> plugins;
-    
-    public static class REIPlugin {
-        private String identifier;
-        @SerializedName("class") private String pluginClass;
-    
-        public String getIdentifier() {
-            if (identifier == null)
-                return "null:null";
-            return identifier;
-        }
-    
-        public String getPluginClass() {
-            return pluginClass;
-        }
-    }
-    
-    public List<REIPlugin> getPlugins() {
-        return plugins;
-    }
-    
-}