Rust: Remove redundant infix casts

Author: hvitved

rust/ql/lib/codeql/rust/frameworks/rustcrypto/RustCrypto.qll

@@ -27,7 +27,7 @@ class StreamCipherInit extends Cryptography::CryptographicOperation::Range {
       p.getResolvedCrateOrigin().matches("%/RustCrypto%") and
       p.getPath().getText() = ["new", "new_from_slice", "new_from_slices", "new_with_eff_key_len"] and
       (
-        rawAlgorithmName = p.getPath().getQualifier().(Path).getText() or // todo: remove infix cast when codegenerator has been fixed
+        rawAlgorithmName = p.getPath().getQualifier().getText() or
         rawAlgorithmName =
           p.getPath()
               .getQualifier()

rust/ql/lib/codeql/rust/security/WeakSensitiveDataHashingExtensions.qll

@@ -186,7 +186,7 @@ class ModeledHashOperation extends Cryptography::CryptographicOperation::Range {
       sinkNode(input, "hasher-input") and
       call = input.(Node::FlowSummaryNode).getSinkElement().getCall() and
       call = this.asExpr().getExpr() and
-      algorithmName = call.getFunction().(PathExpr).getPath().getQualifier().(Path).getText() // todo: remove infix cast when codegenerator has been fixed
+      algorithmName = call.getFunction().(PathExpr).getPath().getQualifier().getText()
     )
   }