configitems: register the 'convert.git.skipsubmodules' config

hgext/convert/__init__.py

@@ -64,6 +64,9 b" configitem('convert', 'git.saverev',"
 configitem('convert', 'git.similarity',
     default=50,
 )
+configitem('convert', 'git.skipsubmodules',
+    default=False,
+)
 
 # Commands definition was moved elsewhere to ease demandload job.
 

hgext/convert/git.py

@@ -261,8 +261,7 b' class convert_git(common.converter_sourc'
         lcount = len(difftree)
         i = 0
 
-        skipsubmodules = self.ui.configbool('convert', 'git.skipsubmodules',
-                                            False)
+        skipsubmodules = self.ui.configbool('convert', 'git.skipsubmodules')
         def add(entry, f, isdest):
             seen.add(f)
             h = entry[3]