Remove asquote function for it being used nowhere

powerline/lib/shell.py

@@ -17,10 +17,3 @@ def run_cmd(pl, cmd, stdin=None):
 def asrun(pl, ascript):
 	'''Run the given AppleScript and return the standard output and error.'''
 	return run_cmd(pl, ['osascript', '-'], ascript)
-
-
-def asquote(astr):
-	'''Return the AppleScript equivalent of the given string.'''
-
-	astr = astr.replace('"', '" & quote & "')
-	return '"{}"'.format(astr)

powerline/segments/common.py

@@ -10,7 +10,7 @@ import socket
 from multiprocessing import cpu_count as _cpu_count
 
 from powerline.lib import add_divider_highlight_group
-from powerline.lib.shell import asrun, asquote, run_cmd
+from powerline.lib.shell import asrun, run_cmd
 from powerline.lib.url import urllib_read, urllib_urlencode
 from powerline.lib.vcs import guess, tree_status
 from powerline.lib.threaded import ThreadedSegment, KwThreadedSegment, with_docstring