Update README as we do not fetch anymore in development mode

README.rst

@@ -236,6 +236,7 @@ Then let's run the buildout::
   Running uninstall recipe.
   Installing git-clone.
   Cloning into '/sample-buildout/parts/git-clone'...
+  HEAD is now at 2566127 ...
 
 Let's take a look at the buildout parts directory now::
 
@@ -249,15 +250,12 @@ And let's see that current revision is "2566127"::
   >>> print(subprocess.check_output(['git', 'rev-parse', '--short', 'HEAD'], universal_newlines=True))
   2566127
 
-When updating, it will do a "git fetch; git reset revision"::
+When updating, it shouldn't do anything as revision is mentioned::
 
   >>> cd(sample_buildout)
   >>> print(system(buildout))
   Updating git-clone.
   ...
-  HEAD is now at 2566127 ... 
-  ...
-  <BLANKLINE>
 
 Empty revision/branch
 ~~~~~~~~~~~~~~~~~~~~~
@@ -366,7 +364,6 @@ repository::
   >>> cd(sample_buildout)
   >>> print(system(buildout))
   Updating git-clone.
-  Fetching origin
   ...
   <BLANKLINE>
 
@@ -386,17 +383,7 @@ Then, when update occurs, nothing is done::
   >>> cd(sample_buildout)
   >>> print(system(buildout))
   Updating git-clone.
-  Fetching origin
-  Fetching broken
-  Unable to update:
-  Traceback (most recent call last):
-  ...
-  ...CalledProcessError: Command '['git', 'fetch', '--all']' returned non-zero exit status 1
-  <BLANKLINE>
   ...
-  fatal: unable to access 'http://git.erp5.org/repos/nowhere/': The requested URL returned error: 500
-  error: Could not fetch broken
-  <BLANKLINE> 
 
   >>> cd(sample_buildout, 'parts', 'git-clone')
   >>> print(system('cat local_change'))