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: 'a black youth rides his skateboard over a footbridge'. Remove all words of length '4' in the given sentence.
Example Output: a black youth rides his skateboard a footbridge

Example Input: Sentence: 'four men are sitting on a bench in an old photo'. Remove all words of length '1' in the given sentence.
Example Output: four men are sitting on bench in an old photo

Example Input: Sentence: 'a kitchen that has an island in it'. Remove all words of length '2' in the given sentence.
Example Output:
a kitchen that has island