contrib: remove no longer needed packages after bitcoin#23909

Author: kwvg

contrib/containers/ci/Dockerfile

@@ -64,13 +64,10 @@ RUN apt-get update && apt-get install $APT_ARGS \
     g++-9-multilib \
     g++-arm-linux-gnueabihf \
     g++-mingw-w64-x86-64 \
-    imagemagick \
     jq \
     libcap-dev \
-    librsvg2-bin \
     libz-dev \
     libbz2-dev \
-    libtiff-tools \
     libncurses5 \
     nsis \
     python3-zmq \

contrib/gitian-descriptors/gitian-osx.yml

@@ -13,13 +13,10 @@ packages:
 - "git"
 - "pkg-config"
 - "autoconf"
-- "librsvg2-bin"
-- "libtiff-tools"
 - "libtool"
 - "automake"
 - "faketime"
 - "bsdmainutils"
-- "imagemagick"
 - "libcap-dev"
 - "libz-dev"
 - "libbz2-dev"