remove linux build from travis (#12)

Author: gengjiawen

.travis.yml

@@ -8,10 +8,6 @@ matrix:
         - ELECTRON_CACHE=$HOME/.cache/electron
         - ELECTRON_BUILDER_CACHE=$HOME/.cache/electron-builder
 
-    - os: linux
-      services: docker
-      language: generic
-
 cache:
   directories:
   - node_modules
@@ -23,21 +19,7 @@ before_script:
 
 script:
   - |
-    if [ "$TRAVIS_OS_NAME" == "linux" ]; then
-      docker run $ENVS --rm \
-        $(env | \
-          grep -Eo '^[^\s=]*(DEBUG|NODE_|ELECTRON_|YARN_|NPM_|CI|CIRCLE|TRAVIS|APPVEYOR_|CSC_|_TOKEN|_KEY|AWS_|STRIP|BUILD_)[^\s=]*' | \
-          sed '/^$/d;s/^/-e /' | \
-          paste -sd ' ' \
-        ) \
-        -v ${PWD}:/project \
-        -v ~/.cache/electron:/root/.cache/electron \
-        -v ~/.cache/electron-builder:/root/.cache/electron-builder \
-        electronuserland/builder:wine-chrome \
-        /bin/bash -c "npx envinfo && yarn --link-duplicates --pure-lockfile && yarn release --linux --win"
-    else
-      yarn release
-    fi
+    yarn release
 
 before_cache:
   - rm -rf $HOME/.cache/electron-builder/wine