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 surfer is leaving the water with his board as the waves roll in'. Remove all words of length '4' in the given sentence.
Example Output: a surfer is leaving the water his board as the waves in

Example Input: Sentence: 'people riding an elephant down a shady trail'. Remove all words of length '5' in the given sentence.
Example Output: people riding an elephant down a

Example Input: Sentence: 'the living room has a large screen television and entertainment center at one end'. Remove all words of length '13' in the given sentence.
Example Output:
the living room has a large screen television and center at one end