Definition: In this task, you need to remove all words of a given length in the sentence. The number of letters in a word determine its length, for example, the length of the word "apple" is 5.
Input: Sentence: 'there is toothpaste on the bristles of a pink toothbrush on the counter in front of a sculpture made of miniature amazon boxes'. Remove all words of length '6' in the given sentence.

there is toothpaste on the bristles of a pink toothbrush on the counter in front of a sculpture made of miniature boxes