[gegl] tests: update tests for change to cubic sampler

[Øyvind "pippin" Kolås <ok src gnome org>]

commit 5de4a148beb4fd64328c04d2c7c529c0a3fcfc04
Author: Øyvind Kolås <pippin gimp org>
Date:   Wed Apr 10 19:09:54 2019 +0200

    tests: update tests for change to cubic sampler
    
    Removed one test - more tests should be replaced with hash comparisons
    to reduce the binary bloat caused by using PNG reference images.

 tests/compositions/Makefile.am                |   1 -
 tests/compositions/apply-lens2.xml            |  15 ---------------
 tests/compositions/reference/apply-lens.png   | Bin 1091577 -> 1113229 bytes
 tests/compositions/reference/apply-lens2.png  | Bin 933426 -> 0 bytes
 tests/compositions/reference/apply-lens3.png  | Bin 1138856 -> 599210 bytes
 tests/compositions/reference/simple-scale.png | Bin 758 -> 463 bytes
 6 files changed, 16 deletions(-)
---
diff --git a/tests/compositions/Makefile.am b/tests/compositions/Makefile.am
index bf36e82d3..a494e6222 100644
--- a/tests/compositions/Makefile.am
+++ b/tests/compositions/Makefile.am
@@ -16,7 +16,6 @@ TESTS = \
   affine-with-negative.xml        \
   alien-map.xml                   \
   apply-lens.xml                  \
-  apply-lens2.xml                 \
   apply-lens3.xml                 \
   bump-map.xml                    \
   checkerboard.xml                \
diff --git a/tests/compositions/reference/apply-lens.png b/tests/compositions/reference/apply-lens.png
index 5e65ee35f..823a62eff 100644
Binary files a/tests/compositions/reference/apply-lens.png and b/tests/compositions/reference/apply-lens.png 
differ
diff --git a/tests/compositions/reference/apply-lens3.png b/tests/compositions/reference/apply-lens3.png
index 37ffe3794..cc895d8f1 100644
Binary files a/tests/compositions/reference/apply-lens3.png and 
b/tests/compositions/reference/apply-lens3.png differ
diff --git a/tests/compositions/reference/simple-scale.png b/tests/compositions/reference/simple-scale.png
index f0243e88b..0da98a527 100644
Binary files a/tests/compositions/reference/simple-scale.png and 
b/tests/compositions/reference/simple-scale.png differ