[8.x] [ES|QL] Update grammars (elastic#194370) (elastic#194378)

# Backport

This will backport the following commits from `main` to `8.x`:
- [[ES|QL] Update grammars
(elastic#194370)](elastic#194370)

<!--- Backport version: 9.4.3 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

<!--BACKPORT [{"author":{"name":"Kibana
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Update grammars (elastic#194370)\n\nThis PR updates the ES|QL grammars (lexer
and parser) to match the\r\nlatest version in
Elasticsearch.\r\n\r\nCo-authored-by: Stratoula Kalafateli
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Update
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Update grammars (elastic#194370)\n\nThis PR updates the ES|QL grammars (lexer
and parser) to match the\r\nlatest version in
Elasticsearch.\r\n\r\nCo-authored-by: Stratoula Kalafateli
<efstratia.kalafateli@elastic.co>","sha":"94120d9e40014fb82c82a1621321e12f65482e04"}},"sourceBranch":"main","suggestedTargetBranches":[],"targetPullRequestStates":[{"branch":"main","label":"v9.0.0","branchLabelMappingKey":"^v9.0.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/194370","number":194370,"mergeCommit":{"message":"[ES|QL]
Update grammars (elastic#194370)\n\nThis PR updates the ES|QL grammars (lexer
and parser) to match the\r\nlatest version in
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BACKPORT-->

packages/kbn-esql-ast/src/antlr/esql_parser.g4

@@ -57,7 +57,6 @@ processingCommand
     // in development
     | {this.isDevVersion()}? inlinestatsCommand
     | {this.isDevVersion()}? lookupCommand
-    | {this.isDevVersion()}? matchCommand
     ;
 
 whereCommand
@@ -313,12 +312,4 @@ lookupCommand
 
 inlinestatsCommand
     : DEV_INLINESTATS stats=fields (BY grouping=fields)?
-    ;
-
-matchCommand
-    : DEV_MATCH matchQuery
-    ;
-
-matchQuery
-    : QUOTED_STRING
     ;