Update patch and remove entry for failed build in changelog.

pybind11-2.5.0-hpath.patch

@@ -1,16 +0,0 @@
-diff -up pybind11-2.5.0/pybind11/__init__.py.hpath pybind11-2.5.0/pybind11/__init__.py
---- pybind11-2.5.0/pybind11/__init__.py.hpath	2020-04-01 08:30:49.562640795 +0200
-+++ pybind11-2.5.0/pybind11/__init__.py	2020-04-01 08:31:53.176754407 +0200
-@@ -2,11 +2,4 @@ from ._version import version_info, __ve
- 
- 
- def get_include(user=False):
--    import os
--    d = os.path.dirname(__file__)
--    if os.path.exists(os.path.join(d, "include")):
--        # Package is installed
--        return os.path.join(d, "include")
--    else:
--        # Package is from a source directory
--        return os.path.join(os.path.dirname(d), "include")
-+    return '/usr/include/pybind11'

pybind11-2.6.1-hpath.patch

@@ -0,0 +1,30 @@
+diff -up pybind11-2.6.1/pybind11/commands.py.hpath pybind11-2.6.1/pybind11/commands.py
+--- pybind11-2.6.1/pybind11/commands.py.hpath	2020-11-11 22:33:21.000000000 +0100
++++ pybind11-2.6.1/pybind11/commands.py	2020-11-12 13:22:07.355000414 +0100
+@@ -1,22 +1,8 @@
+ # -*- coding: utf-8 -*-
+ import os
+ 
+-
+-DIR = os.path.abspath(os.path.dirname(__file__))
+-
+-
+ def get_include(user=False):
+-    # type: (bool) -> str
+-    installed_path = os.path.join(DIR, "include")
+-    source_path = os.path.join(os.path.dirname(DIR), "include")
+-    return installed_path if os.path.exists(installed_path) else source_path
+-
++    return '/usr/include/pybind11'
+ 
+ def get_cmake_dir():
+-    # type: () -> str
+-    cmake_installed_path = os.path.join(DIR, "share", "cmake", "pybind11")
+-    if os.path.exists(cmake_installed_path):
+-        return cmake_installed_path
+-    else:
+-        msg = "pybind11 not installed, installation required to access the CMake files"
+-        raise ImportError(msg)
++    return '/usr/share/cmake/pybind11'
+diff -up pybind11-2.6.1/pybind11/__init__.py.hpath pybind11-2.6.1/pybind11/__init__.py
+diff -up pybind11-2.6.1/pybind11/__main__.py.hpath pybind11-2.6.1/pybind11/__main__.py

pybind11.spec

@@ -15,7 +15,6 @@
 
 %global python3_enabled 1
 
-
 Name:    pybind11
 Version: 2.6.1
 Release: 1%{?dist}
@@ -178,9 +177,6 @@ PYBIND11_USE_CMAKE=true %py3_install "--install-purelib" "%{python3_sitearch}"
 * Thu Nov 12 2020 Susi Lehtola <jussilehtola@fedoraproject.org> - 2.6.1-1
 - Update to 2.6.1.
 
-* Mon Nov 09 2020 Susi Lehtola <jussilehtola@fedoraproject.org> - 2.6.0-1
-- Update to 2.6.0.
-
 * Wed Aug 12 2020 Merlin Mathesius <mmathesi@redhat.com> - 2.5.0-5
 - Drop Python 2 support for ELN and RHEL9+