Removed unnecessary code checks

Author: EvidentlyCube

src/BinaryReader.ts

@@ -452,11 +452,11 @@ export class BinaryReader
  */
 public readCharBytes(bytesToRead: number, encoding: Encoding): string
 {
-if (isNaN(bytesToRead) || (typeof bytesToRead !== 'string' && typeof bytesToRead !== 'number')) {
+if (isNaN(bytesToRead)) {
 throw new InvalidArgumentError('`charactersToRead` is not a number', 'bytesToRead', bytesToRead);
 }
 
-bytesToRead = Math.floor(parseFloat(bytesToRead as any));
+bytesToRead = Math.floor(bytesToRead);
 
 if (bytesToRead < 1) {
 throw new InvalidArgumentError('`charactersToRead` cannot be less than 0', 'bytesToRead', bytesToRead);