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 fire hydrant sits off a city street'. Remove all words of length '4' in the given sentence.
Example Output: a hydrant off a street

Example Input: Sentence: 'plates with donuts on top of them next to boxes of cake'. Remove all words of length '5' in the given sentence.
Example Output: plates with donuts on top of them next to of cake

Example Input: Sentence: 'stop sign with blue tint in front of power lines'. Remove all words of length '2' in the given sentence.
Example Output:
stop sign with blue tint front power lines