add support for exec plugins

bin/pre-commit.sh

@@ -11,14 +11,6 @@ cd "$base_dir" || {
 
 rc=0
 
-function buildPlugins {
-  go build \
-     -buildmode plugin \
-     -tags=plugin \
-     -o ./pkg/plugins/builtin/executable.so \
-        ./pkg/plugins/builtin/executable.go
-}
-
 function runTest {
   local name=$1
   local result="SUCCESS"
@@ -88,7 +80,6 @@ echo pwd=`pwd`
 echo " "
 echo "Beginning tests..."
 
-runTest buildPlugins
 runTest testGoLangCILint
 runTest testGoTest