ci: remove unnecessary newlines in build workflow

Clean up formatting in GitHub Actions workflow file by removing redundant newlines that don't affect functionality but improve readability.

.github/workflows/build.yml

@@ -596,7 +596,6 @@ jobs:
           FILE=common/drivers/staging/android/ashmem.c
           if [[ -f "$FILE" ]] && ! grep -q 'is_ashmem_file' "$FILE"; then
             cat >>"$FILE" <<'EOF'
-            
             bool is_ashmem_file(struct file *file) { return false; }
             int ashmem_area_name(struct file *file, char *name) { return 0; }
             long ashmem_area_size(struct file *file) { return 0; }
@@ -612,7 +611,6 @@ jobs:
             FILE=common/drivers/android/Makefile
             if ! grep -q 'rust_binder-objs' "$FILE"; then
               cat >> "$FILE" <<'EOF'
-
               obj-$(CONFIG_ANDROID_BINDER_IPC_RUST)	+= rust_binder.o
               obj-$(CONFIG_ANDROID_BINDER_IPC_RUST_DUMMY)	+= rust_binder.o
               ifdef CONFIG_ANDROID_BINDER_IPC_RUST
@@ -621,8 +619,7 @@ jobs:
               else
               rust_binder-objs := binder/dummy.o
               endif
-
-            EOF
+              EOF
             fi
           fi