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: 'three giraffes standing near a stone wall looking beyond'. Remove all words of length '8' in the given sentence.
Example Output: three near a stone wall looking beyond

Example Input: Sentence: 'the zebra is eating the grass in the field'. Remove all words of length '2' in the given sentence.
Example Output: the zebra eating the grass the field

Example Input: Sentence: 'a man in street riding his bicycle'. Remove all words of length '7' in the given sentence.
Example Output:
a man in street riding his