Drop unused/deprecated gradle properties

- kapt's incrementatal annotation processing is enabled by default
- databinding incremental is deprecated
- compile.classpath is experimental

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

gradle.properties

@@ -37,13 +37,5 @@ android.useAndroidX=true
 # Kotlin code style for this project: "official" or "obsolete":
 kotlin.code.style=official
 
-# Enable Kapt Incremental annotation processing requeste
+# Disable new R8 mode
-kapt.incremental.apt=true
-
-# Enable android.databinding.annotationprocessor.ProcessDataBinding (DYNAMIC)
-android.databinding.incremental=true
-android.lifecycleProcessor.incremental=true
-
-# turn off AP discovery in compile path, and therefore turn on Compile Avoidance
-kapt.include.compile.classpath=false
 android.enableR8.fullMode=false