Remove qt4 tests from Travis

.travis.yml

@@ -1,62 +1,6 @@
 matrix:
   fast_finish: true
-  allow_failures:		
-    - os: osx
   include:
-    # QT4 based build with Python 2.7 // using container based builds and prebuild binary dependencies in osgeo4travis
-    - os: linux
-      language: cpp
-      env:
-        - BUILD=qt4
-        - QT_VERSION=4
-#        - LLVM_VERSION=3.8
-      sudo: false
-      cache:
-        apt: true
-        directories:
-          - $HOME/.ccache
-      compiler: gcc
-      addons:
-        postgresql: "9.4"
-        apt:
-          sources:
-#            - llvm-toolchain-precise-3.8
-            - ubuntu-toolchain-r-test
-            - george-edison55-precise-backports # doxygen 1.8.3
-          packages:
-            - bison
-            - gcc-6
-            - g++-6
-            - doxygen
-            - flex
-            - flip
-            - libfcgi-dev
-            - libfftw3-3
-            - libpq-dev
-            - libqscintilla2-dev
-            - libqt4-dev
-            - libqt4-opengl-dev
-            - libqt4-sql-sqlite
-            - libqtwebkit-dev
-            - libqwt-dev
-            - libspatialindex-dev
-            - libspatialite-dev
-            - libsqlite3-dev
-            - pkg-config
-            - poppler-utils
-            - pyqt4-dev-tools
-            - python
-            - python-dev
-            - python-numpy
-            - python-pip
-            - python-psycopg2
-            - python-qscintilla2
-            - python-qt4-dev
-            - python-qt4-sql
-            - python-sip
-            - python-sip-dev
-            - txt2tags
-            - xvfb
     # QT5 based build with Python 3 // using container based builds and prebuild binary dependencies in osgeo4travis
     - os: linux
       language: python # This lets us use newer python versions from virtualenv
@@ -93,10 +37,10 @@ matrix:
             - flip
             - clang-3.8
     # OSX based build with QT4 and Python 2
-    - os: osx
-      env:
-        - BUILD=osx
-        - IGNORE_BUILD_FAILURES=YES
+    # - os: osx
+    #  env:
+    #    - BUILD=osx
+    #    - IGNORE_BUILD_FAILURES=YES
 
 git:
   depth: 30