chore(*): remove unused code (#6781)

The code removed in the PR was flagged as unused by the JetBrains
inspector.

I did a QA on the dev environment but other checks are highly
recommended.

There is one commit by scope to make the review easier.

---------

Co-authored-by: Charles Bochet <charles@twenty.com>

packages/twenty-server/src/engine/core-modules/ai-sql-query/ai-sql-query.service.ts

@@ -96,7 +96,7 @@ export class AISQLQueryService {
   }
 
   private getCreateTableStatement(tableName: string, colInfos: any[]) {
-    return `${`CREATE TABLE ${tableName} (\n`} ${colInfos
+    return `CREATE TABLE ${tableName} (\n ${colInfos
       .map(
         (colInfo) =>
           `${colInfo.column_name} ${colInfo.data_type} ${