core: dropped configobj package use

requirements.txt

@@ -1,8 +1,6 b''
 # deps, generated via pipdeptree --exclude setuptools,wheel,pipdeptree,pip -f | tr '[:upper:]' '[:lower:]'
 
 atomicwrites==1.4.1
-configobj==5.0.8
-  six==1.16.0
 contextlib2==21.6.0
 cov-core==1.15.0
   coverage==7.2.1

vcsserver/tests/fixture.py

@@ -18,8 +18,7 b''
 import os
 import shutil
 import tempfile
-
-import configobj
+import configparser
 
 
 class ContextINI(object):
@@ -53,17 +52,17 b' class ContextINI(object):'
             with open(self.new_path, 'wb'):
                 pass
 
-        config = configobj.ConfigObj(
-            self.new_path, file_error=True, write_empty_values=True)
+        parser = configparser.ConfigParser()
+        parser.read(self.ini_file_path)
 
         for data in self.ini_params:
             section, ini_params = list(data.items())[0]
             key, val = list(ini_params.items())[0]
-            if section not in config:
-                config[section] = {}
-            config[section][key] = val
-
-        config.write()
+            if section not in parser:
+                parser[section] = {}
+            parser[section][key] = val
+        with open(self.ini_file_path, 'w') as f:
+            parser.write(f)
         return self.new_path
 
     def __exit__(self, exc_type, exc_val, exc_tb):