Remove plugins from flytekit core packaging (#1357)

Remove plugins from flytekit core packaging
Signed-off-by: Yee Hing Tong <[email protected]>

MANIFEST.in

@@ -3,7 +3,6 @@
 # include folders
 recursive-include flytekit *
 recursive-include flytekit_scripts *
-recursive-include plugins *
 
 # include specific files
 include README.md
@@ -25,6 +24,7 @@ recursive-exclude tests *
 recursive-exclude docs *
 recursive-exclude boilerplate *
 recursive-exclude .github *
+recursive-exclude plugins *
 
 # exclude dist folder:
 #  - contains the generated *.tar.gz and .whl files.

setup.py

@@ -21,8 +21,8 @@
     maintainer="Flyte Contributors",
     maintainer_email="[email protected]",
     packages=find_packages(
-        include=["flytekit", "flytekit_scripts", "plugins"],
-        exclude=["boilerplate", "docs", "tests*"],
+        include=["flytekit", "flytekit_scripts"],
+        exclude=["boilerplate", "docs", "plugins", "tests*"],
     ),
     include_package_data=True,
     url="https://github.com/flyteorg/flytekit",