DOC Changed the docstring of class LinearSVR to reflect the default v…

…alue of epsilon in the code (#13559)

* Update docstring in LinearSVR

Changed the docstring of class LinearSVR to reflect the default value of epsilon in the code.

* Update tree.rst

* Revert "Update tree.rst"

sklearn/svm/classes.py

@@ -259,7 +259,7 @@ class LinearSVR(LinearModel, RegressorMixin):
 
     Parameters
     ----------
-    epsilon : float, optional (default=0.1)
+    epsilon : float, optional (default=0.0)
         Epsilon parameter in the epsilon-insensitive loss function. Note
         that the value of this parameter depends on the scale of the target
         variable y. If unsure, set ``epsilon=0``.