Remove specific versions (#126)

Fix issue with unknown versions. Details here:
#122 (comment)

Author: fabasoad

action.yml

@@ -29,24 +29,14 @@ runs:
       shell: sh
     - name: Install COBOL
       if: ${{ runner.os == 'Linux' && steps.info.outputs.COBOL_INSTALLED == 'false' }}
-      env:
-        CURL_VERSION: 7.81.0-1ubuntu1.6
-        TAR_VERSION: 1.34+dfsg-1build3
-        LIBNCURSES5_DEV_VERSION: 6.3-2
-        LIBGMP_DEV_VERSION: 2:6.2.1+dfsg-3ubuntu1
-        LIBDB_DEV_VERSION: 1:5.3.21~exp1ubuntu4
-        IPROUTE2_VERSION: 5.15.0-1ubuntu2
-        RANGER_VERSION: 1.9.3-3ubuntu1
-        AUTOCONF_VERSION: 2.71-2
-        BUILD_ESSENTIAL_VERSION: 12.9ubuntu3
       run: |
         sudo apt-get update
-        sudo apt-get -y install curl=$CURL_VERSION tar=$TAR_VERSION libncurses5-dev=$LIBNCURSES5_DEV_VERSION libgmp-dev=$LIBGMP_DEV_VERSION libdb-dev=$LIBDB_DEV_VERSION
+        sudo apt-get -y install curl tar libncurses5-dev libgmp-dev libdb-dev
         sudo apt-get -y autoremove
-        sudo apt-get -y install iproute2=$IPROUTE2_VERSION
+        sudo apt-get -y install iproute2
 
-        # download and install open-cobol for depencies (libcob >= 4.0)
-        sudo apt-get -y install ranger=$RANGER_VERSION autoconf=$AUTOCONF_VERSION build-essential=$BUILD_ESSENTIAL_VERSION
+        # download and install open-cobol for dependencies (libcob >= 4.0)
+        sudo apt-get -y install ranger autoconf build-essential
         curl -sLk https://sourceforge.net/projects/open-cobol/files/gnu-cobol/"$(echo "${{ inputs.version }}" | cut -b1- | cut -b-3)"/gnucobol-"${{ inputs.version }}".tar.gz | tar xz
         cd gnucobol-"${{ inputs.version }}" && ./configure --prefix=/usr && sudo make && sudo make install && sudo ldconfig && cd /tmp/ && sudo rm -rf ./*
         sudo apt-get -y --purge autoremove