Ruby: move Pathname from core to stdlib

Author: nickrolfe

ruby/ql/lib/codeql/ruby/frameworks/Core.qll

@@ -14,7 +14,6 @@ import core.Hash
 import core.String
 import core.Regexp
 import core.IO
-import core.Pathname
 
 /**
  * A system command executed via subshell literal syntax.

ruby/ql/lib/codeql/ruby/frameworks/Stdlib.qll

@@ -4,3 +4,4 @@
 
 import stdlib.Open3
 import stdlib.Logger
+import stdlib.Pathname

ruby/ql/lib/codeql/ruby/frameworks/core/Pathname.qll renamed to ruby/ql/lib/codeql/ruby/frameworks/stdlib/Pathname.qll

@@ -1,7 +1,7 @@
 private import ruby
 private import codeql.ruby.Concepts
 private import codeql.ruby.DataFlow
-private import codeql.ruby.frameworks.core.Pathname
+private import codeql.ruby.frameworks.stdlib.Pathname
 
 query predicate pathnameInstances(Pathname::PathnameInstance i) { any() }