Update Dockerfile

Author: tim-devereux

docker/Dockerfile

@@ -38,7 +38,7 @@ RUN cd /home && \
     make -j$(nproc) && make install
 
 RUN cd /home && \
-    git clone --branch docker https://github.com/csiro-robotics/raycloudtools.git && \
+    git clone https://github.com/csiro-robotics/raycloudtools.git && \
     cd raycloudtools && \
     mkdir build && cd build && \
     cmake .. -DGEOTIFF_LIBRARIES=/usr/lib/libgeotiff.so -DWITH_QHULL=ON -DWITH_LAS=ON -DWITH_TIFF=ON -DRAYCLOUD_BUILD_TESTS=ON && \