Fix double dependency, offlineplayer override

Essentials/pom.xml

@@ -31,11 +31,6 @@
         </plugins>
     </build>
     <dependencies>
-        <dependency>
-            <groupId>org.spigotmc</groupId>
-            <artifactId>spigot-api</artifactId>
-            <version>1.8.7-R0.1-SNAPSHOT</version>
-        </dependency>
         <dependency>
             <groupId>BOSEconomy</groupId>
             <artifactId>BOSEconomy</artifactId>

Essentials/src/com/earth2me/essentials/OfflinePlayer.java

@@ -1196,6 +1196,11 @@ public class OfflinePlayer implements Player {
         throw new UnsupportedOperationException("Not supported yet.");
     }
 
+    @Override
+    public void setSpectatorTarget(Entity entity) {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
     @Override
     public boolean isLeashed() {
         throw new UnsupportedOperationException("Not supported yet.");