fix offhand duplication

Author: hyperdefined

src/main/java/lol/hyper/toolstats/events/PlayerFish.java

@@ -74,8 +74,7 @@ public void onFish(PlayerFishEvent event) {
             boolean isOffHand = inventory.getItemInOffHand().getType() == Material.FISHING_ROD;
             if (isMain) {
                 inventory.getItemInMainHand().setItemMeta(newFishingRod);
-            }
-            if (isOffHand) {
+            } else if (isOffHand) {
                 inventory.getItemInOffHand().setItemMeta(newFishingRod);
             }
         }

src/main/java/lol/hyper/toolstats/events/SheepShear.java

@@ -72,8 +72,7 @@ public void onShear(PlayerInteractEntityEvent event) {
             boolean isOffHand = inventory.getItemInOffHand().getType() == Material.SHEARS;
             if (isMain) {
                 inventory.getItemInMainHand().setItemMeta(newItem);
-            }
-            if (isOffHand) {
+            } else if (isOffHand) {
                 inventory.getItemInOffHand().setItemMeta(newItem);
             }
         }

src/main/java/lol/hyper/toolstats/events/ShootBow.java

@@ -63,8 +63,7 @@ public void onShoot(EntityShootBowEvent event) {
             boolean isOffHand = inventory.getItemInOffHand().getType() == Material.BOW || inventory.getItemInOffHand().getType() == Material.CROSSBOW;
             if (isMain) {
                 inventory.getItemInMainHand().setItemMeta(newItem);
-            }
-            if (isOffHand) {
+            } else if (isOffHand) {
                 inventory.getItemInOffHand().setItemMeta(newItem);
             }
         }