Remove unnecessary 🤜🤛.

This was suggested by thbwd:
"No need to wrap 🤜children_count🤛 into 🤜🤛actually."
(https://github.com/algorithm-archivists/algorithm-archive/pull/
471#discussion_r223291032)

Author: june128

contents/tree_traversal/code/emojicode/tree_traversal.emojic

@@ -8,7 +8,7 @@
 
     ↪️ ❎ depth_count ◀️🙌 1❗️ 🍇
       🔂 i 🆕⏩⏩ 0 children_count❗️ 🍇
-        🐻 children 🆕🌲⭐️ 🤜id ✖️ 10 ➕ i ➕ 1🤛 🤜depth_count ➖ 1🤛 🤜children_count🤛❗️❗️
+        🐻 children 🆕🌲⭐️ 🤜id ✖️ 10 ➕ i ➕ 1🤛 🤜depth_count ➖ 1🤛 children_count❗️❗️
       🍉
     🍉
   🍉
@@ -19,7 +19,7 @@
 
     ↪️ ❎ depth_count ◀️🙌 1❗️ 🍇
       🔂 i 🆕⏩⏩ 0 children_count❗️ 🍇
-        🐻 children 🆕🌲⭐️ 🤜id ✖️ 10 ➕ i ➕ 1🤛 🤜depth_count ➖ 1🤛 🤜children_count🤛❗️❗️
+        🐻 children 🆕🌲⭐️ 🤜id ✖️ 10 ➕ i ➕ 1🤛 🤜depth_count ➖ 1🤛 children_count❗️❗️
       🍉
     🍉
   🍉