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 black youth rides his skateboard over a footbridge'. Remove all words of length '4' in the given sentence.
Example Output: a black youth rides his skateboard a footbridge

Example Input: Sentence: 'a table with a number of fabrics in different colors'. Remove all words of length '9' in the given sentence.
Example Output: a table with a number of fabrics in colors

Example Input: Sentence: 'a train traveling along a lush green hillside'. Remove all words of length '8' in the given sentence.
Example Output:
a train traveling along a lush green