Definition: 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.
Input: Sentence: 'an overcast day at the beach with people parasailing and walking along the shore'. Remove all words of length '8' in the given sentence.

an day at the beach with people parasailing and walking along the shore