These functions need to be removed:

grade/lib.php:

• get_grade_analysis_icon
• get_reset_icon
• get_edit_icon
• get_hiding_icon
• get_locking_icon
• get_calculation_icon

grade/report/lib.php:

• get_lang_string

grade/report/grader/lib.php:

• get_left_icons_row
• get_right_icons_row
• get_icons

These strings need to be removed:

grade/report/grader/lang/en/deprecated.txt:

• privacy:metadata:preference:grade_report_showquickfeedback,gradereport_grader
• useractivityfeedback,gradereport_grader
• privacy:metadata:preference:grade_report_enableajax,gradereport_grader
• ajaxclicktoclose,gradereport_grader
• ajaxerror,gradereport_grader
• ajaxfailedupdate,gradereport_grader
• ajaxfieldchanged,gradereport_grader
• ajaxchoosescale,gradereport_grader
• privacy:metadata:preference:grade_report_showeyecons,gradereport_grader
• privacy:metadata:preference:grade_report_showlocks,gradereport_grader
• privacy:metadata:preference:grade_report_showanalysisicon,gradereport_grader

grade/report/grader/lang/en/deprecated.txt:

• privacy:metadata:preference:grade_report_showactivityicons,gradereport_grader
• privacy:metadata:preference:grade_report_showcalculations,gradereport_grader

lang/en/deprecated.txt:

• showactivityicons,core_grades
• showactivityicons_help,core_grades
• showcalculations,core_grades
• showcalculations_help,core_grades