Removed unnecessary old code from the lexer

src/frontend/parsing/lexer.nim

@@ -523,10 +523,6 @@ proc parseNumber(self: Lexer) =
                 not self.done():
             discard self.step()
     self.createToken(kind)
-    if kind == Binary:
-        # To make our life easier, we pad the binary number in here already
-        while (self.tokens[^1].lexeme.len() - 2) mod 8 != 0:
-            self.tokens[^1].lexeme = "0b" & "0" & self.tokens[^1].lexeme[2..^1]
 
 
 proc parseBackticks(self: Lexer) =