Hide default share point icon from ribbon

hides all focus, share settings follow every thing

$(document).ready(notRequiredElement);

function notRequiredElement() {

    $("a[id$='_share_button']").css("display", "none");

    $("a[id$='_SyncPromotedAction']").css("display", "none");

    $("a[id$='_follow_button']").css("display", "none");

     $("a[id$='_SiteActionsMenu']").css("display", "none");

      $("a[id$='_TopHelpLink']").css("display", "none");

      $("a[id$='_fullscreenmodeBtn']").css("display", "none");

}

hides about me & personalize this page

<style>

                     .ms-core-menu-list li:first-child{

 display: none;

}

.ms-core-menu-list li:last-child{

 display: none;

}

                    </style>

hides the defult Browse Page option int the ribbon

$(document).ready(function() {

  $('#menu').menu();

$("#DeltaSuiteLinks").parent().hide();

$("#RibbonContainer").ready(function () {

    $("#s4-ribboncont .ms-cui-tts li").each(function () {

     if ($(this).attr('id') == 'Ribbon.Read-title' && $(this).hasClass('ms-browseTab'))

         plmHideRibbon = true;

    });

    if (plmHideRibbon)

    { 

    $("#RibbonContainer DIV.ms-cui-topBar2 UL.ms-cui-tts li.ms-browseTab[id='Ribbon.Read-title']").parent().hide(); 

   

    }

   });

   

    $("#ctl00_ctl45_site_share_button").parent().show();

});