Removed develop branch from github actions

Author: alex268

.github/workflows/build.yaml

@@ -47,7 +47,6 @@ jobs:
         uses: actions/checkout@v4
         with:
           repository: ydb-platform/ydb-java-sdk
-          ref: develop
           path: ydb-java-sdk
 
       - name: Build YDB Java SDK
@@ -64,7 +63,6 @@ jobs:
         uses: actions/checkout@v4
         with:
           repository: ydb-platform/ydb-java-yc
-          ref: develop
           path: ydb-java-yc
 
       - name: Build YDB YC Auth Provider