gnu: xmoto: Update to 0.6.1.

* gnu/packages/games.scm (xmoto): Update to 0.6.1.
[arguments]: Remove phase installing man pages, now properly handled by the
installation script.

gnu/packages/games.scm

@@ -10532,21 +10532,18 @@ (define-public kjumpingcube
     (license (list license:gpl2+ license:fdl1.2+))))
 
 (define-public xmoto
-  ;; The commit below includes a fix to a build error.
-  (let ((commit "f7ca787d02bd876c6eb989a28b180a05220621ee")
-        (revision "0"))
   (package
     (name "xmoto")
-      (version (git-version "0.6.0" revision commit))
+    (version "0.6.1")
     (source
      (origin
        (method git-fetch)
        (uri (git-reference
              (url "https://github.com/xmoto/xmoto.git")
-               (commit commit)))
+             (commit version)))
        (file-name (git-file-name name version))
        (sha256
-          (base32 "1kiwqni58vjdqfb289d1dqcb758hdl2k970dawxq5vdaqrbnsxv4"))
+        (base32 "00f5ha79lfa2iiaz66wl0hl5dapa1l15qdr7m7knzi0ll7j6z66n"))
        (modules '((guix build utils)
                   (ice-9 ftw)
                   (srfi srfi-1)))
@@ -10569,15 +10566,6 @@ (define-public xmoto
      `(#:tests? #f                      ;no test
        #:phases
        (modify-phases %standard-phases
-           ;; Install phase ignores this man page.  Install it early,
-           ;; because the process moves to another directory shortly
-           ;; after.
-           (add-after 'unpack 'install-man-page
-             (lambda* (#:key outputs #:allow-other-keys)
-               (install-file "xmoto.6"
-                             (string-append (assoc-ref outputs "out")
-                                            "/share/man/man6"))
-               #t))
          (add-after 'unpack 'fix-hard-coded-directory
            (lambda* (#:key outputs #:allow-other-keys)
              (substitute* "src/common/VFileIO.cpp"
@@ -10633,7 +10621,7 @@ (define-public xmoto
     (license (list license:gpl2+        ;whole project
                    license:bsd-3        ;vendor/md5sum
                    license:lgpl2.1+
-                     license:expat)))))
+                   license:expat))))
 
 (define-public eboard
   (package