Remove patch for executable scripts - it is in dune-common now

packages/dune/executable_scripts.patch

@@ -1,28 +0,0 @@
-diff --git a/cmake/scripts/CMakeLists.txt b/cmake/scripts/CMakeLists.txt
-index a59060b8..0d8587f3 100644
---- a/cmake/scripts/CMakeLists.txt
-+++ b/cmake/scripts/CMakeLists.txt
-@@ -1,15 +1,21 @@
-+# Install non-executable scripts
- install(FILES
-   conf.py.in
-   CreateDoxyFile.cmake
-   envdetect.py
--  extract_cmake_data.py
-   FinalizeHeadercheck.cmake
-   index.rst.in
-   InstallFile.cmake
-   main77.cc.in
-   module_library.cc.in
-   pyversion.py
--  run-in-dune-env.sh.in
-   RunDoxygen.cmake
-   sphinx_cmake_dune.py
-   DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/dune/cmake/scripts)
-+
-+# Install executable programs
-+install(PROGRAMS
-+  extract_cmake_data.py
-+  run-in-dune-env.sh.in
-+  DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/dune/cmake/scripts
-+)