GRD: cleanup build.gradle
GRD: cleanup build.gradle

Remove redundant dependency on java plugin.
Replace `compile` and `testCompile` with `implementation` and `testImplementation` respectively

Undin/intellij-rust,Undin/intellij-rust,Undin/intellij-rust,Undin/intellij-rust,intellij-rust/intellij-rust,intellij-rust/intellij-rust,intellij-rust/intellij-rust,intellij-rust/intellij-rust,intellij-rust/intellij-rust,Undin/intellij-rust,intellij-rust/intellij-rust,Undin/intellij-rust