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 man is crouched down by a big elephant'. Remove all words of length '3' in the given sentence.
Example Output: a is crouched down by a elephant

Example Input: Sentence: 'three ladies and two men all with id badges holding whiteboards'. Remove all words of length '11' in the given sentence.
Example Output: three ladies and two men all with id badges holding

Example Input: Sentence: 'two crowded snowcovered ski and snowboard trails converge'. Remove all words of length '9' in the given sentence.
Example Output:
two crowded snowcovered ski and trails converge