Finish up Deprecation of `IPython.core.oinspect.py:call_tip`

docs/source/whatsnew/pr/deprecate-calltip.rst

@@ -0,0 +1,3 b''
+- The function `IPython.core.oinspect.py:call_tip` is unused, was marked as
+  Deprecated (raising a Deprecation Warning) and marked for later removal
+  :ghpull:`10104`

IPython/core/oinspect.py

@@ -236,8 +236,8 b' def format_argspec(argspec):'
 def call_tip(oinfo, format_call=True):
     """DEPRECATED. Extract call tip data from an oinfo dict.
     """
-    warnings.warn('`call_tip` function is deprecated as of IPython 5.2 '
-                  'and will have no effects.', DeprecationWarning, stacklevel=2)
+    warnings.warn('`call_tip` function is deprecated as of IPython 6.0'
+                  'and will remove in future versions.', DeprecationWarning, stacklevel=2)
     # Get call definition
     argspec = oinfo.get('argspec')
     if argspec is None: