Remove unneeded QWP_PATH environment variable for quick tests.

When the PATH is properly set up, this should not be necessary
and it overrode the explicitly set QTWEBENGINEPROCESS_PATH.

Change-Id: Ie83a9f4f15f2203329c44fd9653adbb19c62672c
Reviewed-by: Jocelyn Turcotte <jocelyn.turcotte@digia.com>
Reviewed-by: Andras Becsi <andras.becsi@digia.com>

tests/auto/quick/qmltests/qmltests.pro

@@ -34,4 +34,3 @@ OTHER_FILES += \
 
 load(qt_build_paths)
 DEFINES += QUICK_TEST_SOURCE_DIR=\"\\\"$$PWD$${QMAKE_DIR_SEP}data\\\"\"
-DEFINES += QWP_PATH=\"\\\"$${MODULE_BASE_OUTDIR}$${QMAKE_DIR_SEP}libexec$${QMAKE_DIR_SEP}$${QTWEBENGINEPROCESS_NAME}\\\"\"

tests/auto/quick/shared/qt_webengine_quicktest.h

@@ -69,7 +69,6 @@ QT_BEGIN_NAMESPACE
     int main(int argc, char **argv) \
     { \
         Application* app = 0; \
-        qputenv("QTWEBENGINEPROCESS_PATH", QWP_PATH); \
         if (!QCoreApplication::instance()) \
             app = new Application(argc, argv); \
         QtWebEngine::initialize(); \