Inline applied Gradle scripts

Replaces apply from: 'dependencies.gradle' (or apply(from = "dependencies.gradle.kts")) in a build file with the statements of the applied script, moving the script's imports to the top of the build file, and deletes the script once every place applying it was inlined. This leaves dependency declarations in the build file, where the other Gradle recipes can edit them. A script is left alone when inlining could change behavior: when its path cannot be resolved statically, it is applied inside a closure or with to:, it has a top-level return or its own buildscript or plugins block, it declares names that collide with the build file's, it is applied from more than one place, or it is written in a different DSL than the build file.