spirv-tools: cleanup an old patch that is not used anymore

(From OE-Core rev: 013df011f61830adcd9e89993ec19d6526c6fd83)

Signed-off-by: Jose Quaresma <quaresma.jose@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-graphics/spir/files/0001-Respect-CMAKE_INSTALL_LIBDIR-in-installed-CMake-file.patch

@@ -1,35 +0,0 @@
-From caf59c46ea5dc49e4dbf756c642b03e52c1b5468 Mon Sep 17 00:00:00 2001
-From: Khem Raj <raj.khem@gmail.com>
-Date: Fri, 20 Dec 2019 07:02:24 -0800
-Subject: [PATCH] Respect CMAKE_INSTALL_LIBDIR in installed CMake files
-
-Upstream-Status: Submitted [https://github.com/google/effcee/pull/36]
-Signed-off-by: Khem Raj <raj.khem@gmail.com>
----
- CMakeLists.txt        | 1 +
- effcee/CMakeLists.txt | 4 ++--
- 2 files changed, 3 insertions(+), 2 deletions(-)
-
---- a/external/effcee/CMakeLists.txt
-+++ b/external/effcee/CMakeLists.txt
-@@ -27,6 +27,7 @@ endif()
- 
- include(cmake/setup_build.cmake)
- include(cmake/utils.cmake)
-+include(GNUInstallDirs)
- 
- add_subdirectory(third_party)
- add_subdirectory(effcee)
---- a/external/effcee/effcee/CMakeLists.txt
-+++ b/external/effcee/effcee/CMakeLists.txt
-@@ -14,8 +14,8 @@ install(
-   DESTINATION
-     include/effcee)
- install(TARGETS effcee
--  LIBRARY DESTINATION lib
--  ARCHIVE DESTINATION lib)
-+  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
-+  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
- 
- if(EFFCEE_BUILD_TESTING)
-   add_executable(effcee-test