Rust: Remove redundant code and imports.

Author: geoffw0

rust/ql/lib/codeql/rust/frameworks/Poem.qll

@@ -4,18 +4,14 @@
 
 private import rust
 private import codeql.rust.Concepts
-private import codeql.rust.dataflow.DataFlow
-private import codeql.rust.internal.TypeInference
-private import codeql.rust.internal.Type
 
 /**
  * Parameters of a handler function
  */
 private class PoemHandlerParam extends RemoteSource::Range {
   PoemHandlerParam() {
-    exists(TupleStructPat param, Type t |
+    exists(TupleStructPat param |
       this.asPat().getPat() = param.getAField() and
-      t = inferType(param) and
       param.getStruct().getCanonicalPath() = ["poem::web::query::Query", "poem::web::path::Path"]
     )
   }