Remove references to privacy level 4 (no longer functional)

Signed-off-by: Adam Warner <me@adamwarner.co.uk>

advanced/Scripts/webpage.sh

@@ -44,7 +44,7 @@ Options:
   -e, email           Set an administrative contact address for the Block Page
   -h, --help          Show this help dialog
   -i, interface       Specify dnsmasq's interface listening behavior
-  -l, privacylevel    Set privacy level (0 = lowest, 4 = highest)"
+  -l, privacylevel    Set privacy level (0 = lowest, 3 = highest)"
     exit 0
 }
 
@@ -633,8 +633,8 @@ clearAudit()
 }
 
 SetPrivacyLevel() {
-    # Set privacy level. Minimum is 0, maximum is 4
-    if [ "${args[2]}" -ge 0 ] && [ "${args[2]}" -le 4 ]; then
+    # Set privacy level. Minimum is 0, maximum is 3
+    if [ "${args[2]}" -ge 0 ] && [ "${args[2]}" -le 3 ]; then
         changeFTLsetting "PRIVACYLEVEL" "${args[2]}"
         pihole restartdns reload-lists
     fi

advanced/bash-completion/pihole

@@ -56,7 +56,7 @@ _pihole() {
 		;;
 		"privacylevel")
 			if ( [[ "$prev2" == "admin" ]] || [[ "$prev2" == "-a" ]] ); then
-				opts_privacy="0 1 2 3 4"
+				opts_privacy="0 1 2 3"
 				COMPREPLY=( $(compgen -W "${opts_privacy}" -- ${cur}) )
 			else
 				return 1

automated install/basic-install.sh

@@ -1211,7 +1211,6 @@ setPrivacyLevel() {
         "1" "Hide domains" off
         "2" "Hide domains and clients" off
         "3" "Anonymous mode" off
-        "4" "Disabled statistics" off
     )
 
     # Get the user's choice

manpages/pihole-FTL.conf.5

@@ -64,7 +64,7 @@ pihole-FTL.conf - FTL's config file
     On which port should FTL be listening?
 .br
 
-\fBPRIVACYLEVEL=0|1|2|3|4\fR
+\fBPRIVACYLEVEL=0|1|2|3\fR
 .br
     Which privacy level is used?
 .br
@@ -76,8 +76,6 @@ pihole-FTL.conf - FTL's config file
 .br
     3 - anonymous mode (hide everything)
 .br
-    4 - disable all statistics
-.br
 
 \fBIGNORE_LOCALHOST=no|yes\fR
 .br

manpages/pihole.8

@@ -139,7 +139,7 @@ Available commands and options:
       -i, interface     Specify dnsmasq's interface listening behavior
 .br
       -l, privacylevel  <level> Set privacy level
-                        (0 = lowest, 4 = highest)
+                        (0 = lowest, 3 = highest)
 .br
 
 \fB-c, chronometer\fR	[options]