Minor fixes to minimetadelta/propplot docs

Removed duplicate "get results of statistical tests" messages.

Author: maiyishan

docs/source/minimetadelta.rst

@@ -265,8 +265,6 @@ By calling the ``mean_diff`` attribute, you can view the mean differences for ea
 	The unpaired mean difference between Control 3 and Test 3 is -0.255 [95%CI -0.717, 0.196].
 	The p-value of the two-sided permutation t-test is 0.293, calculated for legacy purposes only. 
 
-	To get the results of all valid statistical tests, use `.mean_diff.statistical_tests`
-
 	The weighted-average unpaired mean differences is -0.0104 [95%CI -0.222, 0.215].
 	The p-value of the two-sided permutation t-test is 0.937, calculated for legacy purposes only. 
 

docs/source/proportion-plot.rst

@@ -233,8 +233,6 @@ Each of these are attributes of the ``Dabest`` object.
 
     To get the results of all valid statistical tests, use `.mean_diff.statistical_tests`
 
-    To get the results of all valid statistical tests, use `.mean_diff.statistical_tests`
-
 Let’s compute the Cohen's h for our comparison.
 
 .. code-block:: python3
@@ -259,8 +257,6 @@ Let’s compute the Cohen's h for our comparison.
 
     To get the results of all valid statistical tests, use `.cohens_h.statistical_tests`
 
-    To get the results of all valid statistical tests, use `.cohens_h.statistical_tests`
-
 
 Producing Proportional Plots
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