set default test maxprocs back to 4

.travis.yml

@@ -10,7 +10,6 @@ os:
 env:
   global:
     - GIT_LFS_TEST_DIR="$HOME/git-lfs-tests"
-    - GIT_LFS_TEST_MAXPROCS=1
     - GIT_SOURCE_REPO="https://github.com/git/git.git"
     - GIT_SOURCE_BRANCH="master"
 

script/integration.go

@@ -30,11 +30,6 @@ func mainIntegration() {
 
 	setBash()
 
-	if runtime.GOOS == "darwin" {
-		// set default maxprocs to 1 because of osxkeychain issues
-		maxprocs = 1
-	}
-
 	if max, _ := strconv.Atoi(os.Getenv("GIT_LFS_TEST_MAXPROCS")); max > 0 {
 		maxprocs = max
 	}