[Python] Remove python server path from settings

src/backends/python/pythonbackend.cpp

@@ -99,7 +99,7 @@ KConfigSkeleton* PythonBackend::config() const
 
 bool PythonBackend::requirementsFullfilled(QString* const reason) const
 {
-    const QString& path = PythonSettings::pythonServerPath().toLocalFile();
+    const QString& path = QStandardPaths::findExecutable(QLatin1String("cantor_pythonserver"));
     return Cantor::Backend::checkExecutable(QLatin1String("Cantor Python Server"), path, reason);
 }
 

src/backends/python/pythonbackend.kcfg

@@ -6,10 +6,6 @@
   <include>QStandardPaths</include>
   <kcfgfile name="cantorrc"/>
   <group name="PythonBackend">
-    <entry name="pythonServerPath" type="Url">
-      <label>Path to Cantor python server executable</label>
-      <default code="true">QUrl::fromLocalFile(QStandardPaths::findExecutable(QLatin1String("cantor_pythonserver")))</default>
-    </entry>
     <entry name="localDoc" type="Url">
         <label>Url to the local Python documentation</label>
     </entry>

src/backends/python/pythonsession.cpp

@@ -79,11 +79,12 @@ void PythonSession::login()
     m_process = new QProcess(this);
     m_process->setProcessChannelMode(QProcess::ForwardedErrorChannel);
 
+    const QString& serverExecutablePath = QStandardPaths::findExecutable(QLatin1String("cantor_pythonserver"));
 #ifdef Q_OS_WIN
 	// On Windows QProcess can't handle paths with spaces, so add escaping
-	m_process->start(QLatin1String("\"") + PythonSettings::pythonServerPath().toLocalFile() + QLatin1String("\""));
+	m_process->start(QLatin1String("\"") + serverExecutablePath + QLatin1String("\""));
 #else
-    m_process->start(PythonSettings::pythonServerPath().toLocalFile());
+    m_process->start(serverExecutablePath);
 #endif
 
     m_process->waitForStarted();

src/backends/python/settings.ui

@@ -11,9 +11,6 @@
    </rect>
   </property>
   <layout class="QGridLayout" name="gridLayout">
-   <item row="0" column="3">
-    <widget class="KUrlRequester" name="kcfg_pythonServerPath"/>
-   </item>
    <item row="1" column="3">
     <widget class="KUrlRequester" name="kcfg_localDoc">
      <property name="toolTip">
@@ -155,13 +152,6 @@
      </property>
     </spacer>
    </item>
-   <item row="0" column="0" colspan="3">
-    <widget class="QLabel" name="label3">
-     <property name="text">
-      <string>Executable:</string>
-     </property>
-    </widget>
-   </item>
    <item row="1" column="0" colspan="3">
     <widget class="QLabel" name="label2">
      <property name="toolTip">