Attempt to fix build

.travis.yml

@@ -1,17 +1,16 @@
 language: java
 jdk: oraclejdk8
-before_install:
-  - chmod a+x gradlew
-  - ./gradlew clean
-install: "./gradlew setupCIWorkspace"
-script: "./gradlew build"
-after_success: "./gradlew bintrayUpload"
 before_cache:
   - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
   - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
+  - rm -f  $HOME/.gradle/caches/minecraft/deobfedDeps/providedDummy.jar
+  - rm -f  $HOME/.gradle/caches/minecraft/deobfedDeps/compileDummy.jar
 cache:
   directories:
     - $HOME/.gradle/caches/
     - $HOME/.gradle/wrapper/
+install: "./gradlew setupCIWorkspace"
+script: "./gradlew build"
+after_success: "./gradlew bintrayUpload"
 notifications:
   email: false