.travis.yml: Remove superfluous environments for qt4

Author: olesalscheider

.travis.yml

@@ -6,16 +6,9 @@ compiler:
   - gcc
   - clang
 env:
-  - QT_SELECT=qt4 ; CONFIG=minimal
-  - QT_SELECT=qt4 ; CONFIG=minimal-static
-  - QT_SELECT=qt4 ; CONFIG=full
-  - QT_SELECT=qt4 ; CONFIG=full-debug
-  - QT_SELECT=qt4 ; CONFIG=full-static
-  - QT_SELECT=qt5 ; CONFIG=minimal
-  - QT_SELECT=qt5 ; CONFIG=minimal-static
-  - QT_SELECT=qt5 ; CONFIG=full
-  - QT_SELECT=qt5 ; CONFIG=full-debug
-  - QT_SELECT=qt5 ; CONFIG=full-static
+  - CONFIG=minimal
+  - CONFIG=full
+  - CONFIG=full-debug
 install:
   - tests/travis/install-build-depends
 script: