Misc: Remove unneeded qualifications

Mostly done using the following ruby script:
Dir.glob('**/*.cpp').each { |file|
  next if file =~ %r{src/shared/qbs|/qmljs/}
  s = File.read(file)
  s.scan(/^using namespace (.*);$/) {
    ns = $1
    t = s.gsub(/^(.*)\b#{ns}::((?!Const)[A-Z])/) { |m|
      before = $1
      char = $2
      if before =~ /"|\/\/|\\|using|SIGNAL|SLOT|Q_/
        m
      else
        before + char
      end
    }
    if t != s
      puts file
      File.open(file, 'w').write(t)
    end
  }
}

Change-Id: I919da493d0629b719d328e5e71c96a29d230dfd1
Reviewed-by: Christian Kandeler <christian.kandeler@theqtcompany.com>
Reviewed-by: hjk <hjk@theqtcompany.com>

src/plugins/analyzerbase/analyzerruncontrol.cpp

@@ -48,7 +48,7 @@ using namespace ProjectExplorer;
 namespace Analyzer {
 
 AnalyzerRunControl::AnalyzerRunControl(const AnalyzerStartParameters &sp,
-        ProjectExplorer::RunConfiguration *runConfiguration)
+        RunConfiguration *runConfiguration)
     : RunControl(runConfiguration, sp.runMode)
 {
     setIcon(QLatin1String(":/images/analyzer_start_small.png"));