removed syntax highlighting feature from box2text. Syntax highlightin… #1285

Job	Run time
test-linux	2m 30s
tests (windows-latest)	4m 15s
builds	7m 29s
tests (macos-latest)	4m 27s
tests (buildjet-4vcpu-ubuntu-2204-arm)	3m 40s
	22m 21s

Provide feedback