Ruby: move RegExpTreeView.qll out of 'internal'

Author: aibaars

ruby/ql/lib/codeql/ruby/Regexp.qll

@@ -5,7 +5,7 @@
  * terms.
  */
 
-import regexp.internal.RegExpTreeView // re-export
+import regexp.RegExpTreeView // re-export
 private import regexp.internal.ParseRegExp
 private import codeql.ruby.ast.Literal as AST
 private import codeql.ruby.DataFlow

ruby/ql/lib/codeql/ruby/regexp/internal/RegExpTreeView.qll renamed to ruby/ql/lib/codeql/ruby/regexp/RegExpTreeView.qll

@@ -1,6 +1,6 @@
 /** Provides a class hierarchy corresponding to a parse tree of regular expressions. */
 
-private import ParseRegExp
+private import internal.ParseRegExp
 private import codeql.NumberUtils
 private import codeql.ruby.ast.Literal as AST
 private import codeql.Locations
@@ -14,7 +14,7 @@ private import codeql.Locations
  * Otherwise, we wish to represent the term differently.
  * This avoids multiple representations of the same term.
  */
-newtype TRegExpParent =
+private newtype TRegExpParent =
   /** A string literal used as a regular expression */
   TRegExpLiteral(RegExp re) or
   /** A quantified term */