.travis.yml, .github: delete environmental dumps

They were necessary when developing YAMLs, but not useful any longer.

.github/workflows/ubuntu.yml

@@ -23,32 +23,6 @@ jobs:
     runs-on: ${{ matrix.os }}
     if: "!contains(github.event.head_commit.message, '[ci skip]')"
     steps:
-      - run: env | sort
-      - name: Dump GitHub context
-        env:
-          GITHUB_CONTEXT: ${{ toJson(github) }}
-        run: echo "$GITHUB_CONTEXT"
-      - name: Dump job context
-        env:
-          JOB_CONTEXT: ${{ toJson(job) }}
-        run: echo "$JOB_CONTEXT"
-      - name: Dump steps context
-        env:
-          STEPS_CONTEXT: ${{ toJson(steps) }}
-        run: echo "$STEPS_CONTEXT"
-      - name: Dump runner context
-        env:
-          RUNNER_CONTEXT: ${{ toJson(runner) }}
-        run: echo "$RUNNER_CONTEXT"
-      - name: Dump strategy context
-        env:
-          STRATEGY_CONTEXT: ${{ toJson(strategy) }}
-        run: echo "$STRATEGY_CONTEXT"
-      - name: Dump matrix context
-        env:
-          MATRIX_CONTEXT: ${{ toJson(matrix) }}
-        run: echo "$MATRIX_CONTEXT"
-
       - name: Install libraries
         run: |
           set -x

.travis.yml

@@ -460,16 +460,7 @@ matrix:
   fast_finish: true
 
 before_script:
-  - dpkg --print-architecture
-  - dpkg --print-foreign-architectures
-  - setarch --list
-  - echo JOBS=${JOBS} SETARCH=${SETARCH}
-  - $SETARCH uname -a
-  - $SETARCH uname -r
-  - ip a
-  - cat /etc/hosts
   - rm -fr .ext autom4te.cache
-  - echo $TERM
   - |-
     [ -d ~/.downloaded-cache ] ||
     mkdir ~/.downloaded-cache
@@ -491,7 +482,6 @@ before_script:
   - chmod -R a-w .
   - chmod -R u+w build config_1st config_2nd
   - cd build
-  - ccache --show-stats
   - |-
     case "$CC" in
     gcc*)   CC="ccache $CC${GCC_FLAGS:+ }$GCC_FLAGS -fno-diagnostics-color";;
@@ -512,7 +502,6 @@ before_script:
   - chmod u-w ..
   - $SETARCH make -s $JOBS
   - make -s install
-  - ccache --show-stats
   - |-
     [ -z "${GEMS_FOR_TEST}" ] ||
     $RUBY_PREFIX/bin/gem install --no-document $GEMS_FOR_TEST