Update abaplint.json

Deactivated check "sql_escape_host_variables", since it delivered false positives.

Escaping SQL Host Variables with "@" became possible with ABAP 740 SP 05, but this API is using ABAP 740 SP 02, so I cannot do, what the check result tells me without breaking the code.

abaplint.json

@@ -662,10 +662,7 @@
       "ignoreGlobalDefinition": true,
       "ignoreExceptions": true
     },
-    "sql_escape_host_variables": {
-      "exclude": [],
-      "severity": "Error"
-    },
+    "sql_escape_host_variables": false,
     "start_at_tab": {
       "exclude": [],
       "severity": "Error"