Don't skip online tests

Author: nikic

azure/Dockerfile

@@ -81,5 +81,5 @@ RUN ./configure \
     --with-zlib
 
 RUN make clean && make -j`nproc`
-RUN sapi/cli/php run-tests.php -j`nproc` --offline -q \
+RUN sapi/cli/php run-tests.php -j`nproc` -q \
     --show-diff -g FAIL,XFAIL,BORK,WARN,LEAK,XLEAK,SKIP