Code clean up

Author: plokhotnyuk

jsoniter-scala-core/js/src/main/scala/com/github/plokhotnyuk/jsoniter_scala/core/JsonReader.scala

@@ -2571,15 +2571,15 @@ final class JsonReader private[jsoniter_scala](
           if (s != 0) x1 = -x1
           BigInt(x1)
         } else new BigInt({
-          if (len <= 36) toBigDecimal36(buf, from, pos, s, 0).unscaledValue()
+          if (len <= 36) toBigDecimal36(buf, from, pos, s, 0).unscaledValue
           else if (len <= 308) toBigInteger308(buf, from, pos, s)
           else {
             // Based on the great idea of Eric Obermühlner to use a tree of smaller BigDecimals for parsing huge numbers
             // with O(n^1.5) complexity instead of O(n^2) when using the constructor for the decimal representation from JDK:
             // https://github.com/eobermuhlner/big-math/commit/7a5419aac8b2adba2aa700ccf00197f97b2ad89f
             val mid = len >> 1
             val midPos = pos - mid
-            toBigDecimal(buf, from, midPos, s, -mid).add(toBigDecimal(buf, midPos, pos, s, 0)).unscaledValue()
+            toBigDecimal(buf, from, midPos, s, -mid).add(toBigDecimal(buf, midPos, pos, s, 0)).unscaledValue
           }
         })
       }

jsoniter-scala-core/jvm/src/main/scala/com/github/plokhotnyuk/jsoniter_scala/core/JsonReader.scala

@@ -2543,7 +2543,7 @@ final class JsonReader private[jsoniter_scala](
             // https://github.com/eobermuhlner/big-math/commit/7a5419aac8b2adba2aa700ccf00197f97b2ad89f
             val mid = len >> 1
             val midPos = pos - mid
-            toBigDecimal(buf, from, midPos, s, -mid).add(toBigDecimal(buf, midPos, pos, s, 0)).unscaledValue()
+            toBigDecimal(buf, from, midPos, s, -mid).add(toBigDecimal(buf, midPos, pos, s, 0)).unscaledValue
           }
         })
       }

jsoniter-scala-core/native/src/main/scala/com/github/plokhotnyuk/jsoniter_scala/core/JsonReader.scala

@@ -2540,7 +2540,7 @@ final class JsonReader private[jsoniter_scala](
             // https://github.com/eobermuhlner/big-math/commit/7a5419aac8b2adba2aa700ccf00197f97b2ad89f
             val mid = len >> 1
             val midPos = pos - mid
-            toBigDecimal(buf, from, midPos, s, -mid).add(toBigDecimal(buf, midPos, pos, s, 0)).unscaledValue()
+            toBigDecimal(buf, from, midPos, s, -mid).add(toBigDecimal(buf, midPos, pos, s, 0)).unscaledValue
           }
         })
       }