Fix minor Lintian complaints

- Clean unused overrides.
- Clean away copyright paragraphs about files that no longer exists.

debian/copyright

@@ -381,11 +381,6 @@ Files: storage/connect/connect.cc
 Copyright: 2004-2012 Olivier Bertrand
 License: GPL-2+
 
-Files: storage/connect/inihandl.c
-Copyright: 1993 Miguel de Icaza
- 1996 Alexandre Julliard
-License: LGPL-2.1+
-
 Files: storage/oqgraph/ha_oqgraph.*
  storage/oqgraph/oqgraph_probes.d
 Copyright:
@@ -872,7 +867,6 @@ Copyright: 2006, 2014, Oracle and/or its affiliates
 License: GPL-2
 
 Files: cmake/systemd.cmake
- include/my_systemd.h
  scripts/mariadb-service-convert
 Copyright: 2015 Daniel Black
 License: GPL-2

debian/mariadb-test-data.lintian-overrides

-# OK, this file is part of test suite and only used for a test
-mariadb-test-data: executable-not-elf-or-script usr/share/mysql/mysql-test/suite/parts/r/partition_exch_myisam.result
-mariadb-test-data: executable-not-elf-or-script usr/share/mysql/mysql-test/suite/parts/r/partition_exch_qa_7_innodb.result
-mariadb-test-data: executable-not-elf-or-script usr/share/mysql/mysql-test/suite/parts/r/partition_exch_innodb.result
-mariadb-test-data: executable-not-elf-or-script usr/share/mysql/mysql-test/suite/parts/r/partition_exch_qa_6.result
-mariadb-test-data: executable-not-elf-or-script usr/share/mysql/mysql-test/suite/parts/r/partition_exch_qa_3.result
-mariadb-test-data: executable-not-elf-or-script usr/share/mysql/mysql-test/suite/parts/r/partition_exch_qa.result
-mariadb-test-data: executable-not-elf-or-script usr/share/mysql/mysql-test/suite/parts/r/partition_exch_myisam_innodb.result
-mariadb-test-data: executable-not-elf-or-script usr/share/mysql/mysql-test/suite/parts/r/partition_exch_qa_11.result
-mariadb-test-data: executable-not-elf-or-script usr/share/mysql/mysql-test/suite/parts/r/partition_exch_qa_5_innodb.result
-mariadb-test-data: executable-not-elf-or-script usr/share/mysql/mysql-test/suite/parts/r/partition_exch_qa_4_myisam.result
-mariadb-test-data: executable-not-elf-or-script usr/share/mysql/mysql-test/suite/parts/r/partition_exch_qa_7_myisam.result
-mariadb-test-data: executable-not-elf-or-script usr/share/mysql/mysql-test/suite/parts/r/partition_exch_qa_14.result
-mariadb-test-data: executable-not-elf-or-script usr/share/mysql/mysql-test/suite/parts/r/partition_exch_qa_8_myisam.result
-mariadb-test-data: executable-not-elf-or-script usr/share/mysql/mysql-test/suite/parts/r/partition_exch_qa_8_innodb.result
-mariadb-test-data: executable-not-elf-or-script usr/share/mysql/mysql-test/suite/parts/r/partition_exch_qa_5_myisam.result
-mariadb-test-data: executable-not-elf-or-script usr/share/mysql/mysql-test/suite/parts/r/partition_exch_qa_4_innodb.result
-mariadb-test-data: executable-not-elf-or-script usr/share/mysql/mysql-test/plugin/oqgraph/oqgraph/maintainer-general-record.sh

debian/not-installed

@@ -104,7 +104,6 @@ usr/include/mysql/private/tzfile.h
 usr/include/mysql/private/my_bit.h
 usr/include/mysql/private/rpl_parallel.h
 usr/include/mysql/private/opt_range.h
-usr/include/mysql/private/my_systemd.h
 usr/include/mysql/private/sql_connect.h
 usr/include/mysql/private/strfunc.h
 usr/include/mysql/private/rpl_gtid.h

debian/source.lintian-overrides

 # OK, used in the test suite
-source-contains-prebuilt-windows-binary mysql-test/std_data/ctype_upgrade/maria050533_xxx_croatian_ci.MYD
-source-contains-prebuilt-windows-binary mysql-test/std_data/ctype_upgrade/maria100004_xxx_croatian_ci.MYD
-source-contains-prebuilt-windows-binary mysql-test/std_data/ctype_upgrade/mysql050614_xxx_croatian_ci.MYD
 # Bundled snappy does in fact use these autotools files
 outdated-autotools-helper-file storage/tokudb/PerconaFT/third_party/snappy-1.1.2/config.guess 2012-02-10
 outdated-autotools-helper-file storage/tokudb/PerconaFT/third_party/snappy-1.1.2/config.sub 2012-02-10
@@ -9,5 +6,3 @@ outdated-autotools-helper-file storage/tokudb/PerconaFT/third_party/snappy-1.1.2
 outdated-autotools-helper-file storage/tokudb/PerconaFT/third_party/xz-4.999.9beta/build-aux/config.sub 2009-04-17
 # libmariadbclient-dev contains usr/bin/mysql_config which will never be multi-arch
 # (and is not multi-arch in Oracle MySQL packages either)
-dependency-is-not-multi-archified libmariadbclient-dev-compat depends on libmariadbclient-dev (multi-arch: no)
-dependency-is-not-multi-archified libmariadbd-dev depends on libmariadbclient-dev (multi-arch: no)