You can turn off unwanted features provided by DHP in settings.

Key	Description
datapack.features.codeActions	Quickfixes and refactor actions.
datapack.features.colors	Color information for dust particles and certain NBT values.
datapack.features.completions	Code suggestions and completions.
datapack.features.documentHighlighting	Highlight relevant words when you hover your cursor on them.
datapack.features.documentLinks	Resolving namespaced IDs as links which you can click on.
datapack.features.foldingRanges	Folding ranges.
datapack.features.formatting	Formatting.
datapack.features.hover	Hover information.
datapack.features.semanticColoring	Semantic coloring.
datapack.features.selectionRanges	Selection ranges. To be honest, even myself don't know what this is.
datapack.features.signatures	The signature information which shows the syntax of the current command.

Version	Description
2.0.0	Added features settings.