gnu: Remove graphite-web.

* gnu/packages/monitoring.scm (graphite-web): Delete variable.

Change-Id: I0e7b8506d8690c8efc083f82373b221729b23e96

gnu: Remove openni2.

* gnu/packages/gstreamer.scm (openni2): Delete variable.

Fixes: guix/guix#1891
Change-Id: If4c58002f41c0aef87c90113553abbc27e76d7cd

gnu: Remove clang-runtime-6.

* gnu/packages/llvm.scm (clang-runtime-6): Delete variable.
* gnu/packages/patches/clang-runtime-9-glibc-2.36-compat.patch.
gnu/packages/patches/clang-runtime-9-libsanitizer-mode-field.patch:
Delete files.
* gnu/local.mk (dist_patch_DATA): Unregister files.

Change-Id: I2957376d083783e77de85a9761be06d0209ca6c7

gnu: Remove clang-6.

* gnu/packages/llvm.scm (clang-6): Delete variable.
* gnu/packages/patches/clang-6.0-libc-search-path.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Unregister file.

Change-Id: Ife89d032bd5edbbc2613dbef71e5e8434d75c979

gnu: Remove libomp-6.

* gnu/packages/llvm.scm (libomp-6): Delete variable.

Change-Id: If0acf3036fcf8afec7467d864dce9b56dcb2c804

gnu: Remove libcxx-6.

* gnu/packages/llvm.scm (libcxx-6): Delete variable.

Change-Id: I94d7d2db5c98f0abea4c0142d9d996f9ece8b03b

gnu: Remove libcxxabi-6.

* gnu/packages/llvm.scm (libcxxabi-6): Delete variable.

Change-Id: I5bfad857a489d4dd513a15aaec52668a0eeb3d81

gnu: Remove libcxx+libcxxabi-6.

* gnu/packages/llvm.scm (libcxx+libcxxabi-6): Delete variable.

Change-Id: Ie1cdb96d1d2b303e8a7c30ee958315e8aa057810

gnu: Remove clang-toolchain-6.

* gnu/packages/llvm.scm (clang-toolchain-6): Delete variable.

Change-Id: I308e022ac72f9f66339af3356c3071955707f397

gnu: Remove fmt-6.

* gnu/packages/pretty-print.scm (fmt-6): Delete variable.

Change-Id: I17cb2e67878f13cbe9e8f40b671fa5010cd97974

gnu: Remove snappy-with-clang6.

* gnu/packages/compression.scm (snappy-with-clang6): Delete variable.

Change-Id: Ia3a3e534acf77ebf6edea3f2f9482c4e96ac1e38

gnu: Remove nanodbc-for-irods.

* gnu/packages/databases.scm (nanodbc-for-irods): Delete variable.

Change-Id: I7b6aecc3b21589e2a9b53974046c7a03e954c3fc

gnu: Remove boost-for-irods.

* gnu/packages/boost.scm (boost-for-irods): Delete variable.

Change-Id: I1bc02caa35a4eb8a49ce28348631e4fc69167579

gnu: Remove avro-cpp-1.9-for-irods.

* gnu/packages/serialization.scm (avro-cpp-1.9-for-irods): Delete variable.

Change-Id: Ic79e05769663fc3651fbf30ab32cef571dfe920d

gnu: Remove irods module.

* gnu/packages/irods.scm: Remove file.
* gnu/local.mk (GNU_SYSTEM_MODULES), po/packages/POTFILES.in:
Unregister file.

Fixes: guix/guix#1890
Change-Id: Ibf1120f67deea52950346cdcde39188ccbb6a696

gnu: Remove irods.

* gnu/packages/irods.scm (irods): Delete variable.

Change-Id: I81a0110ac51b18833493af8787137272f4a43c6a

gnu: Remove irods-client-icommands.

* gnu/packages/irods.scm (irods-client-icommands): Delete variable.

Change-Id: I0f3996d197a82bd4d7fd25d602277d01d65153dd

gnu: Remove heimdal.

* gnu/packages/kerberos.scm (heimdal): Delete variable.

Fixes: guix/guix#1886
Change-Id: I16a6031bc7ecc70d72e48f1656bbfe0b4453d06d

gnu: Remove krb5-auth-dialog.

* gnu/packages/gnome.scm (krb5-auth-dialog): Delete variable.

Fixes: guix/guix#1885
Change-Id: If9f9b49d2f99219564d628836d1c295ad236d518

gnu: Remove eigen-for-tensorflow.

* gnu/packages/algebra.scm (eigen-for-tensorflow): Delete variable.

Fixes: guix/guix#1856
Change-Id: Ia781c247c7a72b0da42506de15deee11e31972f1