Remove biicode because it has been shut down

support/cmake/biicode.cmake

@@ -1,18 +0,0 @@
-# Initializes block variables
-INIT_BIICODE_BLOCK()
-
-# Actually create targets: EXEcutables and libraries.
-ADD_BIICODE_TARGETS()
-
-target_include_directories(${BII_BLOCK_TARGET} INTERFACE ${CMAKE_CURRENT_SOURCE_DIR})
-
-if (HAVE_OPEN)
-  target_compile_definitions(${BII_BLOCK_TARGET} INTERFACE -DFMT_USE_FILE_DESCRIPTORS=1)
-endif ()
-
-if (CMAKE_COMPILER_IS_GNUCXX)
-  target_compile_options(${BII_BLOCK_TARGET} INTERFACE -Wall -Wextra -Wshadow -pedantic)
-endif ()
-if (CPP11_FLAG AND FMT_PEDANTIC)
-  target_compile_options(${BII_BLOCK_TARGET} INTERFACE ${CPP11_FLAG})
-endif ()