refactor: Removed HTML tags from translation

Fixed #2985.

src/widget/form/removefrienddialog.ui

@@ -23,7 +23,7 @@
    <item>
     <widget class="QLabel" name="label">
      <property name="text">
-      <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Are you sure you want to remove &lt;span style=&quot; font-weight:600;&quot;&gt;&amp;lt;name&amp;gt;&lt;/span&gt; from your contacts list?&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+      <string notr="true">{Text message}</string>
      </property>
      <property name="alignment">
       <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>

src/widget/tool/removefrienddialog.cpp

@@ -8,7 +8,11 @@ RemoveFriendDialog::RemoveFriendDialog(QWidget *parent, const Friend *f)
     setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
     setAttribute(Qt::WA_QuitOnClose, false);
     ui.setupUi(this);
-    ui.label->setText(ui.label->text().replace("<name>", f->getDisplayedName().toHtmlEscaped()));
+    QString name = f->getDisplayedName().toHtmlEscaped();
+    QString text = tr("Are you sure you want to remove %1 from your contacts list?")
+            .arg(QString("<b>%1</b>").arg(name));
+
+    ui.label->setText(text);
     auto removeButton = ui.buttonBox->button(QDialogButtonBox::Ok);
     auto cancelButton = ui.buttonBox->button(QDialogButtonBox::Cancel);
     removeButton->setText(tr("Remove"));