renamed "slashslashcomment" to "slashslash_comment"

javascript/ql/src/semmle/javascript/Comments.qll

@@ -98,7 +98,7 @@ class HtmlCommentEnd extends @htmlcommentend, HtmlLineComment { }
  * // a line comment
  * ```
  */
-class SlashSlashComment extends @slashslashcomment, LineComment { }
+class SlashSlashComment extends @slashslash_comment, LineComment { }
 
 /**
  * A block comment (which may be a JSDoc comment).

javascript/ql/src/semmlecode.javascript.dbscheme

@@ -798,14 +798,14 @@ comments (unique int id: @comment,
           varchar(900) tostring: string ref);
 
 case @comment.kind of
-  0 = @slashslashcomment
+  0 = @slashslash_comment
 | 1 = @slashstarcomment
 | 2 = @doccomment
 | 3 = @html_comment_start
 | 4 = @htmlcommentend;
 
 @html_comment = @html_comment_start | @htmlcommentend;
-@line_comment = @slashslashcomment | @html_comment;
+@line_comment = @slashslash_comment | @html_comment;
 @block_comment = @slashstarcomment | @doccomment;
 
 // source lines

javascript/ql/src/semmlecode.javascript.dbscheme.stats

@@ -1030,7 +1030,7 @@
 <v>2646</v>
 </e>
 <e>
-<k>@slashslashcomment</k>
+<k>@slashslash_comment</k>
 <v>76841</v>
 </e>
 <e>