[orca] Remove redundant call to _generateSubstring()

[Joanmarie Diggs <joanied src gnome org>]

commit 394ca0f3d9192ee92f6cd209f3fefb424d508460
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Tue Apr 7 16:43:27 2020 -0400

    Remove redundant call to _generateSubstring()

 src/orca/speech_generator.py | 4 ----
 1 file changed, 4 deletions(-)
---
diff --git a/src/orca/speech_generator.py b/src/orca/speech_generator.py
index 8e1f7ebd0..7f9a6a618 100644
--- a/src/orca/speech_generator.py
+++ b/src/orca/speech_generator.py
@@ -1172,10 +1172,6 @@ class SpeechGenerator(generator.Generator):
         if args.get('inMouseReview') and obj.getState().contains(pyatspi.STATE_EDITABLE):
             return []
 
-        result = self._generateSubstring(obj, **args)
-        if result and result[0]:
-            return result
-
         acss = self.voice(DEFAULT)
         result = generator.Generator._generateCurrentLineText(self, obj, **args)
         if not (result and result[0]):