Fixes incorrect formatting and unused imports

src/main/java/net/knarcraft/stargate/command/CommandAbout.java

@@ -25,11 +25,11 @@ public class CommandAbout implements CommandExecutor {
         ChatColor textColor = ChatColor.GOLD;
         ChatColor highlightColor = ChatColor.GREEN;
 
-        try(InputStream inputStream = Stargate.class.getResourceAsStream("/messages/about.md")){
+        try (InputStream inputStream = Stargate.class.getResourceAsStream("/messages/about.md")) {
             String aboutMessageString = FileHelper.readStreamToString(inputStream);
             BaseComponent[] component = MineDown.parse(aboutMessageString);
             commandSender.spigot().sendMessage(component);
-        } catch (IOException ioException){
+        } catch (IOException ioException) {
             commandSender.sendMessage("Internal error");
         }
         String author = Stargate.getStargateConfig().getLanguageLoader().getString("author");

src/main/java/net/knarcraft/stargate/command/CommandStarGate.java

@@ -1,6 +1,5 @@
 package net.knarcraft.stargate.command;
 
-import net.knarcraft.stargate.Stargate;
 import net.md_5.bungee.api.ChatColor;
 import org.bukkit.Bukkit;
 import org.bukkit.command.Command;

src/main/java/net/knarcraft/stargate/config/StargateConfig.java

@@ -106,7 +106,7 @@ public final class StargateConfig {
 
         //Set up vault economy if vault has been loaded
         setupVaultEconomy();
-        
+
         //Set up dynmap
         DynmapAPI dynmapAPI = (DynmapAPI) Bukkit.getPluginManager().getPlugin("dynmap");
         if (dynmapAPI != null) {

src/main/java/net/knarcraft/stargate/utility/FileHelper.java

@@ -4,7 +4,6 @@ import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
-import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
 
 public class FileHelper {