tdf#158803 Remove unused imports from bin

Used pyflakes to find unused imports from bin/ folder. Then, removed
those unused imports.

Change-Id: I439dbc443d6da6d82700ff9caf2f4f2677f46b5f
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/158819
Reviewed-by: Hossein <hossein@libreoffice.org>
Tested-by: Hossein <hossein@libreoffice.org>

bin/benchmark-document-loading

@@ -57,9 +57,8 @@ except ImportError:
     raise
 
 try:
-    from com.sun.star.beans import PropertyValue
     from com.sun.star.document import XDocumentEventListener
-    from com.sun.star.io import IOException, XOutputStream
+    from com.sun.star.io import XOutputStream
 except ImportError:
     print("UNO API class not found: try to set URE_BOOTSTRAP variable")
     print("URE_BOOTSTRAP=file:///installation/opt/program/fundamentalrc")

bin/check-autocorr.py

@@ -11,7 +11,6 @@
 # Usage sample: ./bin/check-autocorr.py extras/source/autocorr/lang/tr/DocumentList.xml
 
 import sys
-import os
 import xml.etree.ElementTree as ET
 
 complete_file = sys.argv[1]

bin/compare-crashreport-stats.py

@@ -12,7 +12,6 @@
 import requests
 from bs4 import BeautifulSoup
 import argparse
-import sys
 
 def parse_url(url):
     crashReports = {}

bin/find-can-be-private-symbols.py

@@ -17,7 +17,6 @@
 #
 
 import subprocess
-import sys
 import re
 
 exported_symbols1 = set()

bin/find-files-not-referenced-by-makefile.py

@@ -3,7 +3,6 @@
 # Look for CXX files that are not referenced by any makefile
 
 import subprocess
-import sys
 
 sourceFiles = set()
 

bin/find-headers-to-move-inside-modules.py

@@ -4,7 +4,6 @@
 # Not 100% accurate
 
 import subprocess
-import sys
 
 headerSet = set()
 a = subprocess.Popen("git ls-files include/", stdout=subprocess.PIPE, shell=True)

bin/find-mergedlib-can-be-private.py

@@ -6,7 +6,6 @@
 #
 
 import subprocess
-import sys
 import re
 import multiprocessing
 

bin/find-most-common-warn-messages.py

@@ -3,9 +3,6 @@
 # A script to search our test logs and sort the messages by how common they are so we can start to
 # reduce the noise a little.
 
-import sys
-import re
-import io
 import subprocess
 
 # find . -name '*.log' | xargs grep -h 'warn:' | sort | uniq -c | sort -n --field-separator=: --key=5,6

bin/find-unneeded-includes

@@ -17,7 +17,6 @@
 # - no custom configure options required
 # - no need to generate a dummy library to build a header
 
-import glob
 import json
 import multiprocessing
 import os

bin/update/create_full_mar.py

@@ -1,6 +1,5 @@
 #!/usr/bin/env python3
 
-import sys
 import os
 import subprocess
 import json