move all entry_point definitions to setup.py

setup.cfg

@@ -105,12 +105,6 b' IPython.core.tests = *.png, *.jpg, daft_extension/*.py'
 IPython.lib.tests = *.wav
 IPython.testing.plugin = *.txt
 
-[options.entry_points]
-pygments.lexers =
-    ipythonconsole = IPython.lib.lexers:IPythonConsoleLexer
-    ipython = IPython.lib.lexers:IPythonLexer
-    ipython3 = IPython.lib.lexers:IPython3Lexer
-
 [velin]
 ignore_patterns =
    IPython/core/tests

setup.py

@@ -139,7 +139,15 b" setup_args['cmdclass'] = {"
     'install_scripts_sym': install_scripts_for_symlink,
     'unsymlink': unsymlink,
 }
-setup_args["entry_points"] = {"console_scripts": find_entry_points()}
+
+setup_args["entry_points"] = {
+    "console_scripts": find_entry_points(),
+    "pygments.lexers": [
+        "ipythonconsole = IPython.lib.lexers:IPythonConsoleLexer",
+        "ipython = IPython.lib.lexers:IPythonLexer",
+        "ipython3 = IPython.lib.lexers:IPython3Lexer",
+    ]
+}
 
 #---------------------------------------------------------------------------
 # Do the actual setup now