Appveyor doesn't support anymore those Qt versions in image in the default

image.

--HG--
branch : develop

appveyor.yml

@@ -76,42 +76,6 @@ environment:
     VSVER: 14
     PLATFORM: x86
     DEPLOY: false
-  - QT5: Qt\5.8\mingw53_32
-    QT_VERSION: Qt5.8
-    QMAKE_GENERATOR: "MinGW Makefiles"
-    MINGW_PATH: C:\Qt\Tools\mingw530_32\bin
-    PLATFORM: x86
-    DEPLOY: false
-  - QT5: Qt\5.8\msvc2015_64
-    QT_VERSION: Qt5.8
-    QMAKE_GENERATOR: "NMake Makefiles JOM"
-    VSVER: 14
-    PLATFORM: x64
-    DEPLOY: false
-  - QT5: Qt\5.8\msvc2015
-    QT_VERSION: Qt5.8
-    QMAKE_GENERATOR: "NMake Makefiles JOM"
-    VSVER: 14
-    PLATFORM: x86
-    DEPLOY: false
-  - QT5: Qt\5.7\mingw53_32
-    QT_VERSION: Qt5.7
-    QMAKE_GENERATOR: "MinGW Makefiles"
-    MINGW_PATH: C:\Qt\Tools\mingw530_32\bin
-    PLATFORM: x86
-    DEPLOY: false
-  - QT5: Qt\5.7\msvc2015_64
-    QT_VERSION: Qt5.7
-    QMAKE_GENERATOR: "NMake Makefiles JOM"
-    VSVER: 14
-    PLATFORM: x64
-    DEPLOY: false
-  - QT5: Qt\5.7\msvc2015
-    QT_VERSION: Qt5.7
-    QMAKE_GENERATOR: "NMake Makefiles JOM"
-    VSVER: 14
-    PLATFORM: x86
-    DEPLOY: false
   - QT5: Qt\5.6\msvc2015_64
     QT_VERSION: Qt5.6
     QMAKE_GENERATOR: "NMake Makefiles JOM"
@@ -124,24 +88,6 @@ environment:
     VSVER: 14
     PLATFORM: x86
     DEPLOY: false
-  - QT5: Qt\5.5\mingw492_32
-    QT_VERSION: Qt5.5
-    QMAKE_GENERATOR: "MinGW Makefiles"
-    MINGW_PATH: C:\Qt\Tools\mingw492_32\bin
-    PLATFORM: x86
-    DEPLOY: false
-  - QT5: Qt\5.4\mingw491_32
-    QT_VERSION: Qt5.4
-    QMAKE_GENERATOR: "MinGW Makefiles"
-    MINGW_PATH: C:\Qt\Tools\mingw491_32\bin
-    PLATFORM: x86
-    DEPLOY: false
-  - QT5: Qt\5.3\mingw482_32
-    QT_VERSION: Qt5.3
-    QMAKE_GENERATOR: "MinGW Makefiles"
-    MINGW_PATH: C:\Qt\Tools\mingw482_32\bin
-    PLATFORM: x86
-    DEPLOY: false
 
 # scripts that are called at very beginning, before repo cloning
 init: