Well it sounds like you only want them removed because they don't fit your style. Not because they're "garbage and not original". You know what else...
You know what would do everything you said except without all the hassle? Limiting to one or two per person. I think all of it, especially the mines...
Flash grenades should be reduced to 1 or 2 per life. Mines need to be cut down to 1 or 2 of them as well. People who go in as a group and spam place...
The advantage over an enemy becomes very large whereas the advantage of "saving" a blinded friend is more in line with the existing way the mechanic...