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 bus leads traffic down a city street'. Remove all words of length '7' in the given sentence.
Example Output: a bus leads down a city street

Example Input: Sentence: 'a street sign is shown with writing on it'. Remove all words of length '5' in the given sentence.
Example Output: a street sign is with writing on it

Example Input: Sentence: 'there is a bathroom that has nothing but a mirror in it'. Remove all words of length '5' in the given sentence.
Example Output:
is a bathroom that has nothing but a mirror in it