Move: traversals/binary_tree_traversals.py --> searches/binary_tree_traversal.py (TheAlgorithms#4295)

* Rename traversals/binary_tree_traversals.py to searches/binary_tree_traversal.py

* updating DIRECTORY.md

* Delete traversals directory

* Update build.yml

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>

Author: algobytewise

Diff for: .github/workflows/build.yml

@@ -44,7 +44,6 @@ jobs:
            quantum
            scheduling
            sorts
-           traversals
       - name: Run tests
         run: pytest --doctest-modules --ignore=project_euler/ --ignore=scripts/ --cov-report=term-missing:skip-covered --cov=. .
       - if: ${{ success() }}

Diff for: DIRECTORY.md

@@ -817,6 +817,7 @@
 
 ## Searches
   * [Binary Search](https://github.com/TheAlgorithms/Python/blob/master/searches/binary_search.py)
+  * [Binary Tree Traversal](https://github.com/TheAlgorithms/Python/blob/master/searches/binary_tree_traversal.py)
   * [Double Linear Search](https://github.com/TheAlgorithms/Python/blob/master/searches/double_linear_search.py)
   * [Double Linear Search Recursion](https://github.com/TheAlgorithms/Python/blob/master/searches/double_linear_search_recursion.py)
   * [Fibonacci Search](https://github.com/TheAlgorithms/Python/blob/master/searches/fibonacci_search.py)
@@ -909,9 +910,6 @@
   * [Word Patterns](https://github.com/TheAlgorithms/Python/blob/master/strings/word_patterns.py)
   * [Z Function](https://github.com/TheAlgorithms/Python/blob/master/strings/z_function.py)
 
-## Traversals
-  * [Binary Tree Traversals](https://github.com/TheAlgorithms/Python/blob/master/traversals/binary_tree_traversals.py)
-
 ## Web Programming
   * [Co2 Emission](https://github.com/TheAlgorithms/Python/blob/master/web_programming/co2_emission.py)
   * [Covid Stats Via Xpath](https://github.com/TheAlgorithms/Python/blob/master/web_programming/covid_stats_via_xpath.py)