octave: update to version 4.2.2

Closes: https://trac.macports.org/ticket/56060

math/octave/Portfile

@@ -11,8 +11,8 @@ PortGroup           cxx11 1.1
 compiler.blacklist-append   {*gcc-4.6} {clang < 700}
 
 name                octave
-version             4.2.1
-revision            15
+version             4.2.2
+revision            0
 categories          math science
 platforms           darwin
 license             GPL-3+
@@ -27,14 +27,11 @@ homepage            https://www.gnu.org/software/octave
 
 master_sites        gnu:octave
 
-checksums           rmd160  7bcefebcbcb644b4527ca97501a4e05b15c04d94 \
-                    sha256  80c28f6398576b50faca0e602defb9598d6f7308b0903724442c2a35a605333b
+checksums           rmd160  a54feb50c7ddf00539ba9b928c3570b5cd08e99c \
+                    sha256  77b84395d8e7728a1ab223058fe5e92dc38c03bc13f7358e6533aab36f76726e
 
 conflicts-append    ${name}-devel
 
-# see http://savannah.gnu.org/bugs/?48773
-patchfiles-append patch-qscintilla2.diff
-
 # if there is an error bulding octave package, avoid
 #    error: structure has no member 'dir'
 patchfiles-append patch-better_error.diff
@@ -61,13 +58,6 @@ patchfiles-append patch-arch_arg.diff
 # the following patch attempts to prevent this
 patchfiles-append patch-host_name.diff
 
-# see http://hg.savannah.gnu.org/hgweb/octave/rev/a6e4157694ef
-# see https://savannah.gnu.org/bugs/?50234
-patchfiles-append patch-file-stat.cc.diff
-
-# see https://savannah.gnu.org/bugs/?50664
-patchfiles-append patch-crash_on_exit.diff
-
 # see https://savannah.gnu.org/patch/index.php?9439
 patchfiles-append patch-java.diff