Remove unnecessary overloads of BuildConfiguration::baseEnvironment()

Change-Id: I9805f5cb87f6c30b7952f9970b007f883eb62507
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp

@@ -139,12 +139,6 @@ ProjectExplorer::IOutputParser *CMakeBuildConfiguration::createOutputParser() co
     return parserchain;
 }
 
-Utils::Environment CMakeBuildConfiguration::baseEnvironment() const
-{
-    Utils::Environment env = BuildConfiguration::baseEnvironment();
-    return env;
-}
-
 /*!
   \class CMakeBuildConfigurationFactory
 */

src/plugins/cmakeprojectmanager/cmakebuildconfiguration.h

@@ -60,8 +60,6 @@ public:
 
     ProjectExplorer::IOutputParser *createOutputParser() const;
 
-    Utils::Environment baseEnvironment() const;
-
     BuildType buildType() const;
 
     bool useNinja() const;

src/plugins/qt4projectmanager/qt4buildconfiguration.cpp

@@ -158,12 +158,6 @@ void Qt4BuildConfiguration::emitBuildDirectoryChanged()
     }
 }
 
-Environment Qt4BuildConfiguration::baseEnvironment() const
-{
-    Environment env = BuildConfiguration::baseEnvironment();
-    return env;
-}
-
 BuildConfigWidget *Qt4BuildConfiguration::createConfigWidget()
 {
     return new Qt4ProjectConfigWidget(target());

src/plugins/qt4projectmanager/qt4buildconfiguration.h

@@ -55,8 +55,6 @@ public:
     explicit Qt4BuildConfiguration(ProjectExplorer::Target *target);
     ~Qt4BuildConfiguration();
 
-    Utils::Environment baseEnvironment() const;
-
     ProjectExplorer::BuildConfigWidget *createConfigWidget();
     QString buildDirectory() const;
     bool shadowBuild() const;