New execution model for rates

x-pack/plugin/esql/compute/build.gradle

@@ -628,28 +628,6 @@ tasks.named('stringTemplates').configure {
     it.outputFile = "org/elasticsearch/compute/aggregation/ValuesBytesRefAggregator.java"
   }
 
-  File rateAggregatorInputFile = file("src/main/java/org/elasticsearch/compute/aggregation/X-RateAggregator.java.st")
-  template {
-    it.properties = intProperties
-    it.inputFile = rateAggregatorInputFile
-    it.outputFile = "org/elasticsearch/compute/aggregation/RateIntAggregator.java"
-  }
-  template {
-    it.properties = longProperties
-    it.inputFile = rateAggregatorInputFile
-    it.outputFile = "org/elasticsearch/compute/aggregation/RateLongAggregator.java"
-  }
-  template {
-    it.properties = floatProperties
-    it.inputFile = rateAggregatorInputFile
-    it.outputFile = "org/elasticsearch/compute/aggregation/RateFloatAggregator.java"
-  }
-  template {
-    it.properties = doubleProperties
-    it.inputFile = rateAggregatorInputFile
-    it.outputFile = "org/elasticsearch/compute/aggregation/RateDoubleAggregator.java"
-  }
-
   File stdDevAggregatorInputFile = file("src/main/java/org/elasticsearch/compute/aggregation/X-StdDevAggregator.java.st")
   template {
     it.properties = intProperties