[pitivi] previewers: Remove unnecessary ThumbnailCache._filename attribute

[Alexandru Băluț <alexbalut src gnome org>]

commit f936b00191337f8ed3c999d699c1fecb6de37502
Author: Suhas Nayak <suhas2go gmail com>
Date:   Wed Feb 1 03:35:29 2017 +0530

    previewers: Remove unnecessary ThumbnailCache._filename attribute
    
    The _filename attribute is only used for a needless debug statement
    
    Differential Revision: https://phabricator.freedesktop.org/D1631

 pitivi/timeline/previewers.py |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)
---
diff --git a/pitivi/timeline/previewers.py b/pitivi/timeline/previewers.py
index 85c196e..c7113c5 100644
--- a/pitivi/timeline/previewers.py
+++ b/pitivi/timeline/previewers.py
@@ -36,7 +36,6 @@ from pitivi.settings import get_dir
 from pitivi.settings import xdg_cache_home
 from pitivi.utils.loggable import Loggable
 from pitivi.utils.misc import binary_search
-from pitivi.utils.misc import filename_from_uri
 from pitivi.utils.misc import get_proxy_target
 from pitivi.utils.misc import hash_file
 from pitivi.utils.misc import path_from_uri
@@ -708,7 +707,6 @@ class ThumbnailCache(Loggable):
     def __init__(self, uri):
         Loggable.__init__(self)
         self._filehash = hash_file(Gst.uri_get_location(uri))
-        self._filename = filename_from_uri(uri)
         thumbs_cache_dir = get_dir(os.path.join(xdg_cache_home(), "thumbs"))
         self._dbfile = os.path.join(thumbs_cache_dir, self._filehash)
         self._db = sqlite3.connect(self._dbfile)
@@ -811,8 +809,6 @@ class ThumbnailCache(Loggable):
 
     def commit(self):
         """Saves the cache on disk (in the database)."""
-        self.debug(
-            'Saving thumbnail cache file to disk for: %s', self._filename)
         self._db.commit()
         self.log("Saved thumbnail cache file: %s" % self._filehash)