Stop running coverage on Travis/AppVeyor

.appveyor.yml

@@ -2,7 +2,6 @@
 environment:
   global:
     PATH: "C:\\Python27\\Scripts\\;%PATH%"
-    PYTEST_COMMAND: "coverage run -m pytest"
   matrix:
     - TOXENV: py27-base
     - TOXENV: py27-optional
@@ -17,7 +16,7 @@ environment:
 
 install:
   - git submodule update --init --recursive
-  - python -m pip install tox codecov
+  - python -m pip install tox
 
 build: off
 
@@ -26,6 +25,3 @@ test_script:
 
 after_test:
   - python debug-info.py
-
-on_success:
-  - codecov

.travis.yml

@@ -13,17 +13,13 @@ cache: pip
 
 env:
   global:
-    - PYTEST_COMMAND="coverage run -m pytest"
     - TOXENV=base,optional,six19-optional
 
 install:
-  - pip install tox codecov
+  - pip install tox
 
 script:
   - tox
 
 after_script:
   - python debug-info.py
-
-after_success:
-  - codecov

tox.ini

@@ -8,7 +8,7 @@ deps =
   doc: Sphinx
 
 passenv =
-  PYTEST_COMMAND
+  PYTEST_COMMAND  # this is maintained so one can, e.g., PYTEST_COMMAND="coverage run -m pytest"
   COVERAGE_RUN_OPTIONS
 commands =
   six19: pip install six==1.9