[misc] cleanup .dockerignore and .gitignore files (#25312)

- Remove settings ignore, they are inconsistent and break local prettier
- Remove .dockerignore files, only root ignore file is used
- Move .idea/.run/*.swp/coverage to root
- Remove .npmrc entries, we are no longer writing the rc file
- Remove node_modules/.DS_Store, is contained in root
- Remove cruft

GitOrigin-RevId: 3025fd5acaef343312f55149466c638e759a6e1f

services/git-bridge/.gitignore

@@ -1,53 +1,6 @@
-# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
-# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
-
-# Let's not share anything because we're using Maven.
-
-.idea
-*.iml
-
-# User-specific stuff:
-.idea/workspace.xml
-.idea/tasks.xml
-.idea/dictionaries
-.idea/vcs.xml
-.idea/jsLibraryMappings.xml
-
-# Sensitive or high-churn files:
-.idea/dataSources.ids
-.idea/dataSources.xml
-.idea/dataSources.local.xml
-.idea/sqlDataSources.xml
-.idea/dynamic.xml
-.idea/uiDesigner.xml
-
-# Gradle:
-.idea/gradle.xml
-.idea/libraries
-
-# Mongo Explorer plugin:
-.idea/mongoSettings.xml
-
-## File-based project format:
-*.iws
-
-## Plugin-specific files:
-
-# IntelliJ
+# Build output
 /out/
 target/
 
-# mpeltonen/sbt-idea plugin
-.idea_modules/
-
-# JIRA plugin
-atlassian-ide-plugin.xml
-
-# Crashlytics plugin (for Android Studio and IntelliJ)
-com_crashlytics_export_strings.xml
-crashlytics.properties
-crashlytics-build.properties
-fabric.properties
-
 # Local configuration files
 conf/runtime.json