Remove dupliate 'i' option table entry in app_page.c.

(closes issue ASTERISK-19310)
Reported by: Makoto Dei
Patches:
      app_page-duplicate-i-option.patch (license #5027) patch uploaded by Makoto Dei
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Merged revisions 357352 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 357353 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@357354 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_page.c

@@ -132,7 +132,6 @@ AST_APP_OPTIONS(page_opts, {
 	AST_APP_OPTION('r', PAGE_RECORD),
 	AST_APP_OPTION('s', PAGE_SKIP),
 	AST_APP_OPTION('i', PAGE_IGNORE_FORWARDS),
-	AST_APP_OPTION('i', PAGE_IGNORE_FORWARDS),
 	AST_APP_OPTION_ARG('A', PAGE_ANNOUNCE, OPT_ARG_ANNOUNCE),
 	AST_APP_OPTION('n', PAGE_NOCALLERANNOUNCE),
 });