Remove patch for gnulib.modules

Ths file is not present in the distribution archive, so patching it
breaks the build.

Resolves: RHEL-234448

tar-1.35-CVE-2026-18477.patch

@@ -33,28 +33,6 @@ index b9e4ce54..f12d98c7 100644
  Mike Muuss		mike@brl.mil
  Mike Nolan		nolan@lpl.arizona.edu
  Mike Rogers		mike@demon.net
-diff --git a/gnulib.modules b/gnulib.modules
-index a7f20b77..c013db51 100644
---- a/gnulib.modules
-+++ b/gnulib.modules
-@@ -64,8 +64,8 @@ lchown
- linkat
- localcharset
- manywarnings
-+mempcpy
- mkdirat
--mkdtemp
- mkfifoat
- modechange
- obstack
-@@ -98,6 +98,7 @@ strtol
- strtoul
- strtoumax
- symlinkat
-+tempname
- timespec
- timespec-sub
- unlinkat
 diff --git a/lib/Makefile.am b/lib/Makefile.am
 index 38645b2c..45152c49 100644
 --- a/lib/Makefile.am