Added DataParser.kt with tests, removed unused classes

build.gradle

@@ -11,8 +11,7 @@ buildscript {
         preference_version = '1.1.1'
         room_version = '2.3.0'
         hilt_version = '2.39.1'
-        okhttp_version = '4.9.0'
-        retrofit_version = '2.9.0'
+        json_version = '20210307'
         osmdroid_version = '6.1.11'
         timber_version = '5.0.1'
         junit_version = '4.13.2'