Remove tools/tests.

tools/tests/skdiff/test1/output-expected/stdout

Index: tools/tests/skdiff/test1/output-expected/stdout
diff --git a/tools/tests/skdiff/test1/output-expected/stdout b/tools/tests/skdiff/test1/output-expected/stdout
deleted file mode 100644
index 2b8b2d403f8f7036ccfbcb85391bc5d2c1172cd8..0000000000000000000000000000000000000000
--- a/tools/tests/skdiff/test1/output-expected/stdout
+++ /dev/null
@@ -1,27 +0,0 @@
-ERROR: no codec found for <tools/tests/skdiff/baseDir/different-bits/different-bits-unknown-format.xyz>
-ERROR: no codec found for <tools/tests/skdiff/comparisonDir/different-bits/different-bits-unknown-format.xyz>
-ERROR: no codec found for <tools/tests/skdiff/baseDir/identical-bits/identical-bits-unknown-format.xyz>
-ERROR: no codec found for <tools/tests/skdiff/comparisonDir/identical-bits/identical-bits-unknown-format.xyz>
-ERROR: no codec found for <tools/tests/skdiff/comparisonDir/missing-files/missing-from-baseDir.xyz>
-ERROR: no codec found for <tools/tests/skdiff/baseDir/missing-files/missing-from-comparisonDir.xyz>
-baseDir is [tools/tests/skdiff/baseDir/]
-comparisonDir is [tools/tests/skdiff/comparisonDir/]
-writing diffs to outputDir is [tools/tests/skdiff/test1/output-actual/]
-
-compared 12 file pairs:
-[_] 2 file pairs contain exactly the same bits
-[_] 1 file pairs contain the same pixel values, but not the same bits
-[_] 2 file pairs have identical dimensions but some differing pixels
-[_] 2 file pairs have differing dimensions
-[_] 5 file pairs could not be compared
-   [_] 1 file pairs decoded in baseDir and not found in comparisonDir
-   [_] 1 file pairs could not be decoded in baseDir and could not be decoded in comparisonDir
-   [_] 1 file pairs could not be decoded in baseDir and not found in comparisonDir
-   [_] 1 file pairs not found in baseDir and decoded in comparisonDir
-   [_] 1 file pairs not found in baseDir and could not be decoded in comparisonDir
-[_] 0 file pairs not compared yet
-(results marked with [*] will cause nonzero return value)
-
-number of mismatching file pairs: 9
-Maximum pixel intensity mismatch 239
-Largest area mismatch was 97.99% of pixels