remove duplicate launch Code checkbox from setup

fixes #7461

build/win32/code.iss

@@ -54,7 +54,7 @@ Name: "quicklaunchicon"; Description: "{cm:CreateQuickLaunchIcon}"; GroupDescrip
 Name: "addcontextmenufiles"; Description: "{cm:AddContextMenuFiles,{#NameShort}}"; GroupDescription: "{cm:Other}"; Flags: unchecked
 Name: "addcontextmenufolders"; Description: "{cm:AddContextMenuFolders,{#NameShort}}"; GroupDescription: "{cm:Other}"; Flags: unchecked
 Name: "addtopath"; Description: "{cm:AddToPath}"; GroupDescription: "{cm:Other}"
-Name: "runcode"; Description: "{cm:RunAfter,{#NameShort}}"; GroupDescription: "{cm:Other}"
+Name: "runcode"; Description: "{cm:RunAfter,{#NameShort}}"; GroupDescription: "{cm:Other}"; Check: WizardSilent
 
 [Files]
 Source: "*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs
@@ -65,7 +65,8 @@ Name: "{commondesktop}\{#NameLong}"; Filename: "{app}\{#ExeBasename}.exe"; Tasks
 Name: "{userappdata}\Microsoft\Internet Explorer\Quick Launch\{#NameLong}"; Filename: "{app}\{#ExeBasename}.exe"; Tasks: quicklaunchicon; AppUserModelID: "{#AppUserId}"
 
 [Run]
-Filename: "{app}\{#ExeBasename}.exe"; Description: "{cm:LaunchProgram,{#NameLong}}"; Tasks: runcode; Flags: nowait postinstall
+Filename: "{app}\{#ExeBasename}.exe"; Description: "{cm:LaunchProgram,{#NameLong}}"; Tasks: runcode; Flags: nowait postinstall; Check: WizardSilent
+Filename: "{app}\{#ExeBasename}.exe"; Description: "{cm:LaunchProgram,{#NameLong}}"; Flags: nowait postinstall; Check: WizardNotSilent
 
 [Registry]
 Root: HKCR; Subkey: ".ascx\OpenWithProgids"; ValueType: none; ValueName: "{#RegValueName}"; Flags: deletevalue uninsdeletevalue
@@ -763,6 +764,11 @@ Root: HKCU; Subkey: "SOFTWARE\Classes\directory\background\shell\{#RegValueName}
 Root: HKCU; Subkey: "SOFTWARE\Classes\directory\background\shell\{#RegValueName}\command"; ValueType: expandsz; ValueName: ""; ValueData: """{app}\{#ExeBasename}.exe"" ""%V"""; Tasks: addcontextmenufolders
 
 [Code]
+function WizardNotSilent(): Boolean;
+begin
+  Result := not WizardSilent();
+end;
+
 // http://stackoverflow.com/a/23838239/261019
 procedure Explode(var Dest: TArrayOfString; Text: String; Separator: String);
 var