Remove gRPC development dependency (#375)

Author: cretz

temporalio/Gemfile

@@ -9,7 +9,7 @@ group :development do
   gem 'activerecord'
   gem 'async'
   gem 'base64'
-  gem 'grpc', '~> 1.69'
+  gem 'googleapis-common-protos-types'
   gem 'grpc-tools', '~> 1.69'
   gem 'irb'
   gem 'minitest'

temporalio/rbs_collection.lock.yaml

@@ -97,14 +97,6 @@ gems:
     revision: 2af46cde7fec5e4130f6c84c5b691c0538af8789
     remote: https://github.com/ruby/gem_rbs_collection.git
     repo_dir: gems
-- name: grpc
-  version: '1.63'
-  source:
-    type: git
-    name: ruby/gem_rbs_collection
-    revision: 2af46cde7fec5e4130f6c84c5b691c0538af8789
-    remote: https://github.com/ruby/gem_rbs_collection.git
-    repo_dir: gems
 - name: i18n
   version: '1.10'
   source: