Remove cmake source files

base/km3sim:2021.03.12

@@ -3,9 +3,11 @@ FROM docker.km3net.de/base/centos7-bundle:2021.03.01
  MAINTAINER Vladimir Kulikovskiy <vkulikovskiy@km3net.de>, Kay Graf <kay.graf@km3net.de>
 # Install newer cmake
  RUN yum remove cmake -y
- RUN wget https://cmake.org/files/v3.6/cmake-3.6.2.tar.gz -o wget_log && \
-    tar xzf cmake-3.6.2.tar.gz && rm cmake-3.6.2.tar.gz && cd cmake-3.6.2 && \
-    ./bootstrap --prefix=/usr/local > bootstrap.log && make > make.log && make install > make_install.log
+ RUN cd /tmp && \
+     wget https://cmake.org/files/v3.6/cmake-3.6.2.tar.gz -o wget_log && \
+     tar xzf cmake-3.6.2.tar.gz && cd cmake-3.6.2 && \
+     ./bootstrap --prefix=/usr/local > bootstrap.log && make > make.log && make install > make_install.log && \
+     cd /tmp && rm -rf cmake-*
     
 # Make Geant4
  RUN yum install -y xerces-c xerces-c-devel libX11-devel libXmu-devel motif motif-devel
@@ -15,4 +17,4 @@ FROM docker.km3net.de/base/centos7-bundle:2021.03.01
     make -j4 > make.log && make install > make_install.log && cd .. && rm -rf geant4.10.05_build geant4.10.05
 
 # Set Environment
- ENV G4DIR=/usr/local/geant4.10.05_install 
\ No newline at end of file
+ ENV G4DIR=/usr/local/geant4.10.05_install