libinih: remove unused patch file

* it was removed from SRC_URI with git recipe in:
  https://git.openembedded.org/meta-openembedded/commit/?id=da03785ff19c2db4210318759a011c6919692876

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-support/inih/files/0001-include-install-header-files-without-prefix-dir-inih.patch

@@ -1,24 +0,0 @@
-include: install header files without prefix dir inih
-
-The other flavor of inih which adapted by Fedora and Ubuntu installs
-header files to /usr/include directly. And xfsprogs 5.10.0 also checks
-ini.h without extra search path and fails. So install header files
-without prefix dir inih.
-
-Upstream-Status: Submitted [https://github.com/OSSystems/inih/pull/4]
-
-Signed-off-by: Kai Kang <kai.kang@windriver.com>
----
- include/CMakeLists.txt | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/include/CMakeLists.txt b/include/CMakeLists.txt
-index 7a46ee7..4a9033f 100644
---- a/include/CMakeLists.txt
-+++ b/include/CMakeLists.txt
-@@ -1 +1 @@
--install(FILES ini.h INIReader.h DESTINATION ${CMAKE_INSTALL_PREFIX}/include/inih)
-+install(FILES ini.h INIReader.h DESTINATION ${CMAKE_INSTALL_PREFIX}/include)
--- 
-2.17.1
-