Remove useless code in doctests (#7733)

* refactor: Fix matrix display deprecation

* refactor: Remove useless `print` and `pass` statements

* revert: Replace broken doctests

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* revert: Fix failing doctests

* chore: Satisfy pre-commit

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

matrix/matrix_class.py

@@ -21,9 +21,9 @@ class Matrix:
      [7. 8. 9.]]
 
     Matrix rows and columns are available as 2D arrays
-    >>> print(matrix.rows)
+    >>> matrix.rows
     [[1, 2, 3], [4, 5, 6], [7, 8, 9]]
-    >>> print(matrix.columns())
+    >>> matrix.columns()
     [[1, 4, 7], [2, 5, 8], [3, 6, 9]]
 
     Order is returned as a tuple
@@ -55,7 +55,7 @@ class Matrix:
     [[-3. 6. -3.]
      [6. -12. 6.]
      [-3. 6. -3.]]
-    >>> print(matrix.inverse())
+    >>> matrix.inverse()
     Traceback (most recent call last):
         ...
     TypeError: Only matrices with a non-zero determinant have an inverse