"@Inject"ed ctors aren't unused.

Change-Id: I7ff0b96cb8134f1bb20f962bc114ce36d571e3a1
Reviewed-on: http://gerrit.dmdirc.com/3922
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

.idea/misc.xml

@@ -2,12 +2,13 @@
 <project version="4">
   <component name="EntryPointsManager">
     <entry_points version="2.0" />
-    <list size="5">
+    <list size="6">
       <item index="0" class="java.lang.String" itemvalue="com.dmdirc.config.ConfigBinding" />
       <item index="1" class="java.lang.String" itemvalue="com.dmdirc.plugins.Exported" />
       <item index="2" class="java.lang.String" itemvalue="com.google.common.eventbus.Subscribe" />
       <item index="3" class="java.lang.String" itemvalue="dagger.Provides" />
-      <item index="4" class="java.lang.String" itemvalue="net.engio.mbassy.listener.Handler" />
+      <item index="4" class="java.lang.String" itemvalue="javax.inject.Inject" />
+      <item index="5" class="java.lang.String" itemvalue="net.engio.mbassy.listener.Handler" />
     </list>
   </component>
   <component name="NullableNotNullManager">