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: 'there are five suitcases stacked on two shelves'. Remove all words of length '7' in the given sentence.
Example Output: there are five suitcases on two

Example Input: Sentence: 'the city signs direct which way traffic should go'. Remove all words of length '3' in the given sentence.
Example Output: city signs direct which traffic should go

Example Input: Sentence: 'this person is practicing his tricks on the skis'. Remove all words of length '2' in the given sentence.
Example Output:
this person practicing his tricks the skis