Refs #4202 removing functions Piwik_Translate and Piwik_TranslateException

core/API/Proxy.php

core/Access.php

core/ArchiveProcessor/Rules.php

core/Config.php

core/Controller.php

core/Controller/Admin.php

core/DataTable/Filter/BeautifyRangeLabels.php

core/DataTable/Filter/ReplaceSummaryRowLabel.php

core/DataTable/Renderer.php

core/DataTable/Renderer/Csv.php

core/Date.php

core/Db/Adapter/Mysqli.php

core/Db/Adapter/Pdo/Mssql.php

core/Db/Adapter/Pdo/Mysql.php

core/Db/Adapter/Pdo/Pgsql.php

core/Filechecks.php

core/Http.php

core/Metrics.php

core/MetricsFormatter.php

core/Period.php