Rust: Move the existing 'alloc' neutral models into alloc.model.yml.

Author: geoffw0

rust/ql/lib/codeql/rust/frameworks/stdlib/alloc.model.yml

@@ -55,4 +55,12 @@ extensions:
       - ["<alloc::string::String as core::ops::arith::Add>::add", "Argument[0].Reference", "ReturnValue", "taint", "manual"]
       # Vec
       - ["alloc::vec::from_elem", "Argument[0]", "ReturnValue.Element", "value", "manual"]
-      - ["<alloc::vec::Vec as core::ops::deref::Deref>::deref", "Argument[self].Reference.Element", "ReturnValue.Reference.Element", "value", "manual"]
+      - ["<alloc::vec::Vec as core::ops::deref::Deref>::deref", "Argument[self].Reference.Element", "ReturnValue.Reference.Element", "value", "manual"]
+  - addsTo:
+      pack: codeql/rust-all
+      extensible: neutralModel
+    data:
+      - ["<alloc::vec::Vec as core::convert::From>::from", "sink", "manual"]
+      - ["<alloc::collections::vec_deque::VecDeque as core::convert::From>::from", "sink", "manual"]
+      - ["<alloc::sync::Arc as core::convert::From>::from", "sink", "manual"]
+      - ["<alloc::rc::Rc as core::convert::From>::from", "sink", "manual"]

rust/ql/lib/codeql/rust/frameworks/stdlib/core.model.yml

@@ -165,11 +165,7 @@ extensions:
       extensible: neutralModel
     data:
       - ["<core::option::Option>::map", "sink", "manual"]
-      - ["<alloc::vec::Vec as core::convert::From>::from", "sink", "manual"]
-      - ["<alloc::collections::vec_deque::VecDeque as core::convert::From>::from", "sink", "manual"]
       - ["<std::io::error::Error as core::convert::From>::from", "sink", "manual"]
-      - ["<alloc::sync::Arc as core::convert::From>::from", "sink", "manual"]
-      - ["<alloc::rc::Rc as core::convert::From>::from", "sink", "manual"]
   - addsTo:
       pack: codeql/rust-all
       extensible: excludeFieldTaintStep