Revert "Update to libcudf unsigned sum aggregation types change (#10267)"

sql-plugin/src/main/scala/org/apache/spark/sql/rapids/aggregate/aggregateFunctions.scala

@@ -653,15 +653,6 @@ case class GpuExtractChunk32(
   override def children: Seq[Expression] = Seq(data)
 }
 
-object GpuExtractChunk32 {
-  /** Build the aggregate expressions for summing the four 32-bit chunks of a 128-bit decimal. */
-  def chunkSumExprs(): Seq[CudfAggregate] = (0 until 4).map { i =>
-    // first three chunk columns are UINT32, so they are promoted to UINT64 during aggregation.
-    val colType = if (i < 3) GpuUnsignedLongType else LongType
-    new CudfSum(colType)
-  }
-}
-
 /**
  * Reassembles a 128-bit value from four separate 64-bit sum results
  * @param chunkAttrs attributes for the four 64-bit sum chunks ordered from least significant to
@@ -1100,7 +1091,7 @@ case class GpuDecimal128Sum(
     chunks :+ GpuIsNull(child)
   }
 
-  private lazy val updateSumChunks = GpuExtractChunk32.chunkSumExprs
+  private lazy val updateSumChunks = (0 until 4).map(_ => new CudfSum(LongType))
 
   override lazy val updateAggregates: Seq[CudfAggregate] = updateSumChunks :+ updateIsEmpty
 
@@ -1119,7 +1110,7 @@ case class GpuDecimal128Sum(
     chunks ++ Seq(isEmpty, GpuIsNull(sum))
   }
 
-  private lazy val mergeSumChunks = GpuExtractChunk32.chunkSumExprs()
+  private lazy val mergeSumChunks = (0 until 4).map(_ => new CudfSum(LongType))
 
   // To be able to do decimal overflow detection, we need a CudfSum that does **not** ignore nulls.
   // Cudf does not have such an aggregation, so for merge we have to work around that similar to
@@ -1484,7 +1475,7 @@ case class GpuDecimal128Average(child: Expression, dt: DecimalType)
     chunks :+ forCount
   }
 
-  private lazy val updateSumChunks = GpuExtractChunk32.chunkSumExprs()
+  private lazy val updateSumChunks = (0 until 4).map(_ => new CudfSum(LongType))
 
   override lazy val updateAggregates: Seq[CudfAggregate] = updateSumChunks :+ updateCount
 
@@ -1502,7 +1493,7 @@ case class GpuDecimal128Average(child: Expression, dt: DecimalType)
     chunks ++ Seq(count, GpuIsNull(sum))
   }
 
-  private lazy val mergeSumChunks = GpuExtractChunk32.chunkSumExprs()
+  private lazy val mergeSumChunks = (0 until 4).map(_ => new CudfSum(LongType))
 
   override lazy val mergeAggregates: Seq[CudfAggregate] =
     mergeSumChunks ++ Seq(mergeCount, mergeIsOverflow)