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.

Example Input: Sentence: 'two ski poles next to the toilet in the bathroom'. Remove all words of length '5' in the given sentence.
Example Output: two ski next to the toilet in the bathroom

Example Input: Sentence: 'two giraffes in a rock enclosure at a zoo'. Remove all words of length '8' in the given sentence.
Example Output: two in a rock enclosure at a zoo

Example Input: Sentence: 'a lake of sitting ducks and person in a boat'. Remove all words of length '3' in the given sentence.
Example Output:
a lake of sitting ducks person in a boat