bash-completion: remove interdiff, now included upstream in patchutils

sysutils/bash-completion/Portfile

@@ -4,7 +4,7 @@ PortSystem      1.0
 PortGroup       github 1.0
 
 github.setup    scop bash-completion 2.17.0
-revision        0
+revision        1
 epoch           1
 categories      sysutils
 platforms       any
@@ -48,6 +48,9 @@ post-destroot {
 
     # Add a link for compatibility with versions <2.0 of this port
     ln -s ${prefix}/etc/profile.d/bash_completion.sh ${destroot}${prefix}/etc/bash_completion
+
+    # patchutil >= 0.4.3 contains the bash completions
+    file delete ${destroot}${prefix}/share/bash-completion/completions/interdiff
 }
 
 notes "