well, you would need to remove them from the PHP (and HTML) files that build them...
are you a coder?

I am not a coder but I used Firebug to remove the code. I just do not know where to find the files I need to edit.

well, the code you are looking for is in the file:

/components/com_calendarplanner/views/month/default.php (for the month view)
Also in folders /week and /day.

try to carefully locate it. you won't have problem for the LIST one.
however, if you just remove the dropdowns on the left, you will most likely have problems, because there is JavaScript code that acts on that. this is way more difficult to eliminate. I can't just point you to it, to remove these, some custom coding work would be necessary..

the other thing you could try, if you know CSS, is try to simply "hide" them with CSS, instead of actuall "destroying" them.

I would rather the CSS solution. However, I am a novice there as well.

I need to turn this off as well. Think I'll use CSS

What would be great though is a toggle on/off of filter options in the component admin. Is this a possibility for addition?

the CSS was simply this, added on a CSS file:

.multiselect{
display:none !important;
}