Remove dead code for manual pdf cleanup

nbconvert/exporters/pdf.py

@@ -61,10 +61,6 @@ class PDFExporter(LatexExporter):
         help="Whether to display the output of latex commands."
     ).tag(config=True)
 
-    temp_file_exts = List(['.aux', '.bbl', '.blg', '.idx', '.log', '.out'],
-        help="File extensions of temp files to remove after running."
-    ).tag(config=True)
-
     texinputs = Unicode(help="texinputs dir. A notebook's directory is added")
     writer = Instance("nbconvert.writers.FilesWriter", args=(), kw={'build_directory': '.'})
 
@@ -155,16 +151,6 @@ def log_error(command, out):
             self.log.debug(u"%s output: %s\n%s", command[0], command, out)
 
         return self.run_command(self.bib_command, filename, 1, log_error)
-
-    def clean_temp_files(self, filename):
-        """Remove temporary files created by xelatex/bibtex."""
-        self.log.info("Removing temporary LaTeX files")
-        filename = os.path.splitext(filename)[0]
-        for ext in self.temp_file_exts:
-            try:
-                os.remove(filename+ext)
-            except OSError:
-                pass
 
     def from_notebook_node(self, nb, resources=None, **kw):
         latex, resources = super(PDFExporter, self).from_notebook_node(