remove duplicate word

Author: coke

doc/Type/Range.pod6

@@ -255,7 +255,7 @@ Failure if it is not an integer range.
     say (2..5).int-bounds;                            # OUTPUT: «(2 5)␤»
     say (2..^5).int-bounds;                           # OUTPUT: «(2 4)␤»
 
-If called with (writable) arguments, these will take the the values of the
+If called with (writable) arguments, these will take the values of the
 higher and lower bound and returns whether integer bounds could be determined
 from the C<Range>: