dev_sample -> sample

Author: jan-elastic

x-pack/plugin/esql/src/main/antlr/EsqlBaseLexer.tokens

@@ -311,5 +311,5 @@ completionCommand
     ;
 
 sampleCommand
-    : DEV_SAMPLE probability=constant
+    : SAMPLE probability=constant
     ;

x-pack/plugin/esql/src/main/antlr/EsqlBaseParser.g4

@@ -15,13 +15,13 @@ EVAL : 'eval'                 -> pushMode(EXPRESSION_MODE);
 GROK : 'grok'                 -> pushMode(EXPRESSION_MODE);
 LIMIT : 'limit'               -> pushMode(EXPRESSION_MODE);
 ROW : 'row'                   -> pushMode(EXPRESSION_MODE);
+SAMPLE : 'sample'             -> pushMode(EXPRESSION_MODE);
 SORT : 'sort'                 -> pushMode(EXPRESSION_MODE);
 STATS : 'stats'               -> pushMode(EXPRESSION_MODE);
 WHERE : 'where'               -> pushMode(EXPRESSION_MODE);
 
 DEV_INLINESTATS : {this.isDevVersion()}? 'inlinestats' -> pushMode(EXPRESSION_MODE);
 DEV_RERANK : {this.isDevVersion()}? 'rerank'           -> pushMode(EXPRESSION_MODE);
-DEV_SAMPLE : {this.isDevVersion()}? 'sample'           -> pushMode(EXPRESSION_MODE);
 
 
 mode EXPRESSION_MODE;