Unpackaged dependencies.

https://bugs.gentoo.org/919236
https://bugs.gentoo.org/919234

--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -100,7 +100,7 @@ add_subdirectory(textgrammarcheck)
 add_subdirectory(texttranslator)
 add_subdirectory(textemoticons)
 add_subdirectory(textutils)
-if (QT_MAJOR_VERSION STREQUAL "6")
+if (FALSE)
     find_package(Qt${QT_MAJOR_VERSION} ${REQUIRED_QT_VERSION} CONFIG REQUIRED MultimediaWidgets)
     add_subdirectory(textspeechtotext)
 endif()