erp5 buildout: remove onlyoffice

stack/erp5/buildout.cfg

@@ -30,7 +30,6 @@ extends =
   ../../component/statsmodels/buildout.cfg
   ../../component/h5py/buildout.cfg
   ../../component/ocropy/buildout.cfg
-  ../../component/onlyoffice-core/buildout.cfg
   ../../component/pandas/buildout.cfg
   ../../component/percona-toolkit/buildout.cfg
   ../../component/patch/buildout.cfg
@@ -273,7 +272,6 @@ context =
     key mariadb_start_clone_from_backup mariadb-start-clone-from-backup:target
     key matplotlibrc_location matplotlibrc:location
     key mesa_location mesa:location
-    key onlyoffice_core_location onlyoffice-core:location
     key parts_directory buildout:parts-directory
     key openssl_location openssl:location
     key percona_toolkit_location percona-toolkit:location