gnu: gpgme: Update to 1.13.0.

* gnu/packages/gnupg.scm (gpgme): Update to 1.13.0.
[source](patches): Remove.

gnu/packages/gnupg.scm

@@ -369,7 +369,7 @@ libskba (working with X.509 certificates and CMS data).")
 (define-public gpgme
   (package
     (name "gpgme")
-    (version "1.12.0")
+    (version "1.13.0")
     (source
      (origin
       (method url-fetch)
@@ -377,16 +377,7 @@ libskba (working with X.509 certificates and CMS data).")
                           ".tar.bz2"))
       (sha256
        (base32
-        "1n4c1q2ls7sqx1vpr3p5n8vbjkw6kqp8jxqa28p0x9j36wf9bp5l"))
-      ;; One test fails because the conflict keys have expired.  See
-      ;; https://dev.gnupg.org/T3815
-      (patches (list (origin
-                       (method url-fetch)
-                       (uri "https://dev.gnupg.org/rM66376f3e206a1aa791d712fb8577bb3490268f60?diff=1")
-                       (file-name "gpgme-fix-conflict-test-keys.patch")
-                       (sha256
-                        (base32
-                         "0j718iy5a9fhkrfs4gzrnm4ggi163prqf1i8lfmqczswvz88zfly")))))))
+        "0c6676g0yhfsmy32i1dgwh5cx0ja8vhcqf4k08zad177m53kxcnl"))))
     (build-system gnu-build-system)
     (native-inputs
      `(("gnupg" ,gnupg)))