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: 'assortment of foods being cooked on outdoor grill'. Remove all words of length '6' in the given sentence.
Example Output: assortment of foods being on outdoor grill

Example Input: Sentence: 'people wait for their cue to cross a busy street'. Remove all words of length '3' in the given sentence.
Example Output: people wait their to cross a busy street

Example Input: Sentence: 'a base ball player in a batters box'. Remove all words of length '3' in the given sentence.
Example Output:
a base ball player in a batters