Remove 'packageDirectory' option from 'deploy' (#484)

Not used and for meaningless options.

Author: abetomo

README.md

@@ -184,7 +184,6 @@ Options:
   -c, --tracingConfig []              Lambda tracing settings
   -l, --layers []                     Lambda Layers settings (e.g. "ARN1,ARN2[,..])" (default: "")
   -R, --retentionInDays []            CloudWatchLogs retentionInDays settings
-  -A, --packageDirectory [build]      Local Package Directory
   -G, --sourceDirectory []            Path to lambda source Directory (e.g. "./some-lambda")
   -I, --dockerImage []                Docker image for npm install
   -f, --configFile []                 Path to file holding secret environment variables (e.g. "deploy.env")

bin/node-lambda

@@ -94,7 +94,6 @@ program
   .option('-l, --layers [AWS_LAYERS]', 'Lambda Layers settings (e.g. "ARN1,ARN2[,..])"', AWS_LAYERS)
   .option('-R, --retentionInDays [AWS_LOGS_RETENTION_IN_DAYS]', 'CloudWatchLogs retentionInDays settings',
     AWS_LOGS_RETENTION_IN_DAYS)
-  .option('-A, --packageDirectory [PACKAGE_DIRECTORY]', 'Local Package Directory', PACKAGE_DIRECTORY)
   .option('-G, --sourceDirectory [SRC_DIRECTORY]', 'Path to lambda source Directory (e.g. "./some-lambda")', SRC_DIRECTORY)
   .option('-I, --dockerImage [DOCKER_IMAGE]', 'Docker image for npm install', DOCKER_IMAGE)
   .option('-f, --configFile [CONFIG_FILE]',