gitlab-ci: Don't restore old build cache

Signed-off-by: Aayush Gupta <theimpulson@e.email>

.gitlab-ci.yml

@@ -7,11 +7,6 @@ before_script:
 - export GRADLE_USER_HOME=$(pwd)/.gradle
 - chmod +x ./gradlew
 
-cache:
-  key: ${CI_PROJECT_ID}
-  paths:
-  - .gradle/
-
 build:
   stage: build
   script: