no longer explicitly clone the TOML repository in CI builds

.travis.yml

@@ -306,7 +306,6 @@ script:
 - cmake --version
 - mkdir build
 - cd build
-- git clone https://github.com/toml-lang/toml.git
 - cmake -DCMAKE_CXX_COMPILER=$COMPILER -DCMAKE_CXX_STANDARD=$CXX_STANDARD -DTOML11_USE_UNRELEASED_TOML_FEATURES=${TOML_HEAD} -Dtoml11_TEST_WITH_ASAN=${WITH_ASAN} -Dtoml11_TEST_WITH_UBSAN=${WITH_UBSAN} ..
 - make
 - ctest --output-on-failure

appveyor.yml

@@ -17,9 +17,8 @@ build_script:
   - cd C:\toml11
   - mkdir build
   - cd build
-  - git clone https://github.com/toml-lang/toml.git
-  - file --mime-encoding toml/tests/hard_example_unicode.toml
   - cmake -G"%generator%" -DBOOST_ROOT=C:/Libraries/boost_1_69_0 ..
+  - file --mime-encoding _deps/toml-src/tests/hard_example_unicode.toml
   - cmake --build . --config "%configuration%"
 
 test_script: