[bug#59568] [PATCH] gnu: Resolve derivation lint warnings.

[Christopher Baines <mail@cbaines.net>]

Computing derivations for these systems (i686-gnu and riscv32-linux) fails
with an error like the following:

  could not find bootstrap binary 'tar' for system

* gnu/packages/mes.scm (mescc-tools)[supported-systems]: Remove riscv32-linux.
* guix/packages.scm (%hurd-system): Remove i686-gnu.
---
 gnu/packages/mes.scm | 2 +-
 guix/packages.scm    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/mes.scm b/gnu/packages/mes.scm
index d4e0e1203f..4487b1b6eb 100644
--- a/gnu/packages/mes.scm
+++ b/gnu/packages/mes.scm
@@ -234,7 +234,7 @@ (define-public mescc-tools
     (build-system gnu-build-system)
     (supported-systems '("i686-linux" "x86_64-linux"
                          "armhf-linux" "aarch64-linux"
-                         "riscv32-linux" "riscv64-linux"))
+                         "riscv64-linux"))
     (arguments
      `(#:make-flags (list (string-append "PREFIX=" (assoc-ref %outputs "out")))
        #:test-target "test"
diff --git a/guix/packages.scm b/guix/packages.scm
index 502df7fdd1..8f119d9fa7 100644
--- a/guix/packages.scm
+++ b/guix/packages.scm
@@ -423,7 +423,7 @@ (define %supported-systems
 
 (define %hurd-systems
   ;; The GNU/Hurd systems for which support is being developed.
-  '("i586-gnu" "i686-gnu"))
+  '("i586-gnu"))
 
 (define %cuirass-supported-systems
   ;; This is the list of system types for which build machines are available.
-- 
2.38.1