chore: Remove incorrectly included .patch file

spec_files/rmlint-scons-c99.patch

@@ -1,57 +0,0 @@
-The header parameter disables the creation of fake prototypes, and
-CheckFunc always calls the function with no arguments, so the check
-fails. This presently works by accident because compilers ignore the
-second #include in '#include <sys/types.h>#include <sys/xattr.h>' (so
-no prototype gets declared) and supply an implicit function
-declaration which allows calls with any number of arguments.
-
-Submitted upstream: <https://github.com/sahib/rmlint/pull/609>
-
-diff --git a/SConstruct b/SConstruct
-index 4964f11f9deaa82a..5cb9a5bd15011f20 100755
---- a/SConstruct
-+++ b/SConstruct
-@@ -195,14 +195,7 @@ def check_bigfiles(context):
-         off_t_is_big_enough = False
- 
-     have_stat64 = True
--    if tests.CheckFunc(
--        context, 'stat64',
--        header=
--            '#include <sys/types.h>'
--            '#include <sys/stat.h>'
--            '#include <unistd.h>'
--
--    ):
-+    if tests.CheckFunc(context, 'stat64'):
-         have_stat64 = False
- 
-     rc = int(off_t_is_big_enough or have_stat64)
-@@ -291,12 +284,7 @@ def check_xattr(context):
-     rc = 1
- 
-     for func in ['getxattr', 'setxattr', 'removexattr', 'listxattr']:
--        if tests.CheckFunc(
--            context, func,
--            header=
--                '#include <sys/types.h>'
--                '#include <sys/xattr.h>'
--        ):
-+        if tests.CheckFunc(context, func):
-             rc = 0
-             break
- 
-@@ -312,12 +300,7 @@ def check_lxattr(context):
-     rc = 1
- 
-     for func in ['lgetxattr', 'lsetxattr', 'lremovexattr', 'llistxattr']:
--        if tests.CheckFunc(
--            context, func,
--            header=
--                '#include <sys/types.h>'
--                '#include <sys/xattr.h>'
--        ):
-+        if tests.CheckFunc(context, func):
-             rc = 0
-             break
-