Merge bitcoin-core/gui#300: Remove progress bar on modal overlay

61fd8fe9a1ddb866ad0a41d053003e78c395f739 Remove progress bar on modal overlay (bruno)

Pull request description:

  This PR removes the progress bar (keeping only the percentage) on modal overlay

  resolves #279

  Before:
  ![1](https://user-images.githubusercontent.com/19480819/116625265-bde65000-a91f-11eb-93ee-72474fc8dd67.PNG)

  After:
  ![2](https://user-images.githubusercontent.com/19480819/116625272-c2126d80-a91f-11eb-80b7-839703f03f87.PNG)

ACKs for top commit:
  Bosch-0:
    tACK 61fd8fe9a1 on Windows 10. Unnecessary Progress bar no longer there :)
  jarolrod:
    tACK 61fd8fe9a1ddb866ad0a41d053003e78c395f739

Tree-SHA512: 96d72f168b26e950ce37e9f489bcbcc608473c44bce3be127ccd47d17b7642fa234d314596186ee16b430d943575c312d84133425507a17ae7ac58ecae986639

src/qt/forms/modaloverlay.ui

@@ -231,16 +231,6 @@
                </property>
               </widget>
              </item>
-             <item>
-              <widget class="QProgressBar" name="progressBar">
-               <property name="value">
-                <number>24</number>
-               </property>
-               <property name="format">
-                <string/>
-               </property>
-              </widget>
-             </item>
             </layout>
            </item>
            <item row="4" column="0">

src/qt/modaloverlay.cpp

@@ -136,7 +136,6 @@ void ModalOverlay::tipUpdate(int count, const QDateTime& blockDate, double nVeri
 
     // show the percentage done according to nVerificationProgress
     ui->percentageProgress->setText(QString::number(nVerificationProgress*100, 'f', 2)+"%");
-    ui->progressBar->setValue(nVerificationProgress*100);
 
     if (!bestHeaderDate.isValid())
         // not syncing