Java: remove todo comments from ext files

Author: Jami Cogswell

java/ql/lib/ext/jakarta.servlet.model.yml

@@ -3,6 +3,5 @@ extensions:
       pack: codeql/java-all
       extensible: sinkModel
     data:
-      # TODO: potentially switch to using Argument[this] of `RequestDispatcher.forward|include` as sink instead of the below.
       - ["jakarta.servlet", "ServletContext", True, "getRequestDispatcher", "(String)", "", "Argument[0]", "url-forward", "manual"]
       - ["jakarta.servlet", "ServletRequest", True, "getRequestDispatcher", "(String)", "", "Argument[0]", "url-forward", "manual"]

java/ql/lib/ext/javax.portlet.model.yml

@@ -3,5 +3,4 @@ extensions:
       pack: codeql/java-all
       extensible: sinkModel
     data:
-      # TODO: potentially switch to using Argument[this] of `PortletRequestDispatcher.forward|include` as sink instead of the below.
       - ["javax.portlet", "PortletContext", True, "getRequestDispatcher", "(String)", "", "Argument[0]", "url-forward", "manual"]

java/ql/lib/ext/javax.servlet.model.yml

@@ -14,7 +14,6 @@ extensions:
       extensible: sinkModel
     data:
       - ["javax.servlet", "ServletContext", True, "getResourceAsStream", "(String)", "", "Argument[0]", "path-injection", "ai-manual"]
-      # TODO: potentially switch to using Argument[this] of `RequestDispatcher.forward|include` as sink instead of the below.
       - ["javax.servlet", "ServletContext", True, "getRequestDispatcher", "(String)", "", "Argument[0]", "url-forward", "manual"]
       - ["javax.servlet", "ServletRequest", True, "getRequestDispatcher", "(String)", "", "Argument[0]", "url-forward", "manual"]
   - addsTo: