Ruby: convert rb/sensitive-get-query into a @kind problem

Author: alexrford

ruby/ql/src/queries/security/cwe-598/SensitiveGetQuery.ql

@@ -2,7 +2,7 @@
  * @name Sensitive data read from GET request
  * @description Placing sensitive data in a GET request increases the risk of
  *              the data being exposed to an attacker.
- * @kind path-problem
+ * @kind problem
  * @problem.severity warning
  * @security-severity 6.5
  * @precision high
@@ -12,12 +12,10 @@
  */
 
 import ruby
-import DataFlow::PathGraph
 import codeql.ruby.security.SensitiveGetQueryQuery
 import codeql.ruby.security.SensitiveActions
 
-from DataFlow::PathNode source, DataFlow::PathNode sink, SensitiveGetQuery::Configuration config
-where config.hasFlowPath(source, sink)
-select source.getNode(), source, sink,
-  "$@ for GET requests uses query parameter as sensitive data.",
-  source.getNode().(SensitiveGetQuery::Source).getHandler(), "Route handler"
+from DataFlow::Node source, DataFlow::Node sink, SensitiveGetQuery::Configuration config
+where config.hasFlow(source, sink)
+select source, "$@ for GET requests uses query parameter as sensitive data.",
+  source.(SensitiveGetQuery::Source).getHandler(), "Route handler"