fix: removing trouble causing lines in USBreader

+some lines were causing trouble with the build on centOS so i have removed them.

src/hobbits-plugins/importerexporters/UsbDevice/usbdevice.cpp

@@ -141,7 +141,6 @@ int USBDevice::setupLibusb(){
     if(r < 0){ //checking for errors, if r < 0  then there is an error
         return -1;
     }
-   libusb_set_option(m_ctx, LIBUSB_OPTION_LOG_LEVEL, 2 ); //set terminal output for errors and warnings only
    libusb_get_device_list(m_ctx, &m_devs);
    m_dev = m_devs[m_deviceNum];
    libusb_free_device_list(m_devs, m_deviceNum);

src/hobbits-plugins/importerexporters/UsbDevice/usbdeviceimporteditor.cpp

@@ -120,7 +120,6 @@ void USBDeviceImportEditor::initLibusb(){
         std::runtime_error libusb_init_error("Error while trying to initialize Libusb");
 		throw libusb_init_error;
 	}
-    libusb_set_option(m_ctx, LIBUSB_OPTION_LOG_LEVEL, 2 ); //set so that we see warning and error messages in the terminal
     m_cnt = libusb_get_device_list(m_ctx, &m_devs);
     if (m_cnt < 0){ //check if there is an error, if there is an error m_cnt will be less than 0
         std::runtime_error libusb_device_list_error("Error getting device list");

src/hobbits-plugins/importerexporters/UsbDevice/usbdeviceimporteditor.ui

@@ -97,7 +97,7 @@
       <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Select an Alternate Setting from this Dropdown box, the possible alternate settings change based off of the Interface selected, choose a Device and Interface before choosing an Alternate Setting. Alternate Settings are displayed with their number and their number of Endpoints to choose from.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
      </property>
      <property name="placeholderText">
-      <string>Select an Alternate Setting</string>
+      <string/>
      </property>
     </widget>
    </item>
@@ -113,7 +113,7 @@
       <string/>
      </property>
      <property name="placeholderText">
-      <string>Select a Device:</string>
+      <string/>
      </property>
     </widget>
    </item>
@@ -133,7 +133,7 @@
       <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Select a Device Interface from this Dropdown box, Interfaces change depending on the device selected, please select a device before selecting an Interface. Interfaces are displayed, with their number and then their number of possible Alternate Settings. &lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
      </property>
      <property name="placeholderText">
-      <string>Select an Interface</string>
+      <string/>
      </property>
     </widget>
    </item>
@@ -143,7 +143,7 @@
       <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Select an Endpoint from the Dropdown below, the endpoint is the location that data is read from. Endpoints are dependent on the Alternate Setting chosen, choose a Device, Interface, and Alternate Setting before choosing an Endpoint. Keep in mind that not all Endpoints may be shown, only endpoints that transfer data Device to Host (IN Endpoints) are shown.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
      </property>
      <property name="placeholderText">
-      <string>Select an Endpoint:</string>
+      <string/>
      </property>
     </widget>
    </item>