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: 'an elephant eating a tree branch in a bare field'. Remove all words of length '2' in the given sentence.
Example Output: elephant eating a tree branch a bare field

Example Input: Sentence: 'traffic lights on a street on a building in the street'. Remove all words of length '1' in the given sentence.
Example Output: traffic lights on street on building in the street

Example Input: Sentence: 'many people on a beach with a kite flying in the sky'. Remove all words of length '5' in the given sentence.
Example Output:
many people on a with a kite flying in the sky