Remove tv::apply

With structured bindings creating packs, the only use case for it is in contexts that require an expression without a declaration. It's easy enough to wrap it in a lambda that it doesn't seem worth providing.

Author: davidstone

source/tv/CMakeLists.txt

@@ -18,7 +18,6 @@ target_sources(tv PUBLIC
 	FILE_SET CXX_MODULES
 	BASE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}"
 	FILES
-		apply.cpp
 		get_index.cpp
 		indexed_value.cpp
 		insert.cpp

source/tv/apply.cpp

@@ -5,7 +5,6 @@
 
 export module tv;
 
-export import tv.apply;
 export import tv.indexed_value;
 export import tv.insert;
 export import tv.none;