dev-build/kbuild: remove unused patch

Signed-off-by: Michael Mair-Keimberger <mm1ke@gentoo.org>

dev-build/kbuild/files/kbuild-0.1.9998.3499-int-conversion.patch

@@ -1,26 +0,0 @@
-Fix int to pointer conversion for clang
-
-Note - this parameter was not actually used inside eval_buffer because of a define.
-
-Bug: https://bugs.gentoo.org/875449
-
---- a/src/kmk/loadapi.c
-+++ b/src/kmk/loadapi.c
-@@ -20,6 +20,8 @@
- #include "variable.h"
- #include "dep.h"
- 
-+#include <string.h>
-+
- /* Allocate a buffer in our context, so we can free it.  */
- char *
- gmk_alloc (unsigned int len)
-@@ -59,7 +61,7 @@
-   install_variable_buffer (&pbuf, &plen);
- 
-   s = xstrdup (buffer);
--  eval_buffer (s, flp IF_WITH_VALUE_LENGTH_PARAM (strlen (s) /** @todo suboptimal */));
-+  eval_buffer (s, flp IF_WITH_VALUE_LENGTH_PARAM (strchr (s, 0) /** @todo suboptimal */));
-   free (s);
- 
-   restore_variable_buffer (pbuf, plen);