fix: remove irrelevant plugin

Author: khushal87

examples/SampleApp/.gitignore

@@ -76,4 +76,4 @@ yarn-error.log
 
 # Credentials
 credentials/
-app-build/
+app-build/

examples/SampleApp/Gemfile.lock

@@ -164,7 +164,6 @@ GEM
     fastlane-plugin-firebase_app_distribution (0.9.1)
       google-apis-firebaseappdistribution_v1 (~> 0.3.0)
       google-apis-firebaseappdistribution_v1alpha (~> 0.2.0)
-    fastlane-plugin-increment_version_code (0.4.3)
     fastlane-plugin-load_json (0.0.1)
     fastlane-plugin-stream_actions (0.3.73)
       xctest_list (= 1.2.1)
@@ -327,7 +326,6 @@ DEPENDENCIES
   concurrent-ruby (< 1.3.4)
   fastlane
   fastlane-plugin-firebase_app_distribution
-  fastlane-plugin-increment_version_code
   fastlane-plugin-load_json
   fastlane-plugin-stream_actions (= 0.3.73)
   logger

examples/SampleApp/fastlane/Pluginfile

@@ -5,4 +5,3 @@
 gem 'fastlane-plugin-firebase_app_distribution'
 gem 'fastlane-plugin-load_json'
 gem 'fastlane-plugin-stream_actions', '0.3.73'
-gem 'fastlane-plugin-increment_version_code'