testnode: don't tell git to ignore SSL errors

We are supposed to have valid certificates and if really needed,
slapos.recipe.build:gitclone can ignore it.

reviewed on nexedi/slapos!300

slapos/recipe/erp5testnode/__init__.py

@@ -69,13 +69,8 @@ class Recipe(GenericBaseRecipe):
     self.path_list.append(configuration_file)
     self.path_list.append(
       self.createWrapper(self.options['wrapper'],
-          # Command
           ( self.options['testnode'], '-l', self.options['log-file'],
-            configuration_file),
-          # Environment
-          {
-            'GIT_SSL_NO_VERIFY': '1',
-          }
+            configuration_file)
       )
     )
     self.installApache()