Fix the Double Drop string in the mining command

Changelog.txt

@@ -1,3 +1,6 @@
+Version 2.1.61
+    Fixed the locale string formatting of 'Mining.SubSkill.DoubleDrops.Stat'
+
 Version 2.1.60
     Fixed a NPE error if a LivingEntity's target was set to null
     Fixed a bug where tamed mobs could kill themselves if their owner shot them once

src/main/resources/locale/locale_en_US.properties

@@ -303,7 +303,7 @@ Mining.SubSkill.SuperBreaker.Description=Speed+, Triple Drop Chance
 Mining.SubSkill.SuperBreaker.Stat=Super Breaker Length
 Mining.SubSkill.DoubleDrops.Name=Double Drops
 Mining.SubSkill.DoubleDrops.Description=Double the normal loot
-Mining.SubSkill.DoubleDrops.Stat=Double Drop Chance: [[YELLOW]]{0}
+Mining.SubSkill.DoubleDrops.Stat=Double Drop Chance
 Mining.SubSkill.BlastMining.Name=Blast Mining
 Mining.SubSkill.BlastMining.Description=Bonuses to mining with TNT
 Mining.SubSkill.BlastMining.Stat=Blast Mining:[[GREEN]] Rank {0}/{1} [[GRAY]]({2})