project: remove dead linux section of qmake project file

Change-Id: Ie63005974911049e26bd8a359bf413cdcf44cb34

jami-qt.pro

@@ -89,80 +89,6 @@ win32-msvc {
     }
 }
 
-unix {
-    TARGET = jami-qt
-    TEMPLATE = app
-
-    QT += quick quickwidgets widgets xml multimedia multimediawidgets network \
-          webenginewidgets svg quickcontrols2 webengine webenginecore sql dbus
-
-    # Maj/min versions can be checked(if needed) using:
-    # equals(QT_MAJOR_VERSION, 5):lessThan(QT_MINOR_VERSION, 12) {}
-    versionAtLeast(QT_VERSION, 5.12.0) {
-        CONFIG += c++17
-    } else {
-        QMAKE_CXXFLAGS += -std=c++17
-    }
-
-    # Client source path
-    INCLUDEPATH += $$PWD/src
-
-    # Default LRC path
-    isEmpty(LRC) { LRC=$$PWD/../install/lrc }
-
-    # Check if LRC is installed or in project dir
-    exists($${LRC}/include/libringclient) {
-        INCLUDEPATH += $${LRC}/include/libringclient
-        message(Will expect lrc headers in $${LRC}/include/libringclient)
-    } else {
-        INCLUDEPATH += $${LRC}/src
-        message(Will expect lrc headers in $${LRC}/src)
-    }
-
-    # TODO: subdirs should be added as suffixes to $${LRC}
-    isEmpty(LRCLIB) {
-        exists($${LRC}/lib) {
-            LRCLIB = $${LRC}/lib
-        } else {
-            LRCLIB = $${LRC}/build-local
-        }
-    }
-
-    # Include LRC lib path if custom installation
-    contains(LRCLIB, .*/usr.*) {
-        LIBS += -lringclient
-        message(Will expect lrc library in /usr)
-    } else {
-        QMAKE_RPATHDIR += $${LRCLIB}
-        LIBS += -L$${LRCLIB} -lringclient
-        message(Will expect lrc library in $${LRCLIB})
-    }
-
-    LIBS += -lqrencode
-    LIBS += -lX11
-
-    CONFIG += link_pkgconfig
-    PKGCONFIG += libnm
-
-    # TODO: set global installation like cmake (correct
-    # installation paths, desktop files, autostart...)
-    isEmpty(PREFIX) { PREFIX = /tmp/$${TARGET}/bin }
-    target.path = $$PREFIX/bin
-    INSTALLS += target
-
-    packagesExist(libnm) {
-        DEFINES += USE_LIBNM
-    }
-
-    # unix specific
-    HEADERS += \
-            src/dbuserrorhandler.h \
-            src/xrectsel.h
-    SOURCES += \
-            src/dbuserrorhandler.cpp \
-            src/xrectsel.c
-}
-
 # Input
 HEADERS += \
         src/abstractitemmodelbase.h \