Don’t check unsupported lua versions to speed up CI

Signed-off-by: Yan Minari <[email protected]>

.travis.yml

@@ -4,9 +4,9 @@ sudo: false
 env:
   - LUA="lua=5.1" # Recommended version for polling mode
   - LUA="luajit=2.1" # Recommended version for webhooks mode
-  - LUA="lua=5.2"
-  - LUA="lua=5.3"
-  - LUA="luajit 2.0"
+  # - LUA="lua=5.2"
+  # - LUA="lua=5.3"
+  # - LUA="luajit 2.0"
 
 before_install:
   - pip install hererocks
@@ -26,9 +26,9 @@ script:
 # after_success:
 #   - luacov-coveralls --exclude $TRAVIS_BUILD_DIR/lua_install
 
-matrix:
-  allow_failures:
-    - env: LUA="lua=5.2" LUA="lua=5.3" LUA="luajit 2.0"
+# matrix:
+#   allow_failures:
+#     - env: LUA="lua=5.2" LUA="lua=5.3" LUA="luajit 2.0"
 
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