Disable ignored / moot configs in DM.

tools/dm_flags.json

Index: tools/dm_flags.json
diff --git a/tools/dm_flags.json b/tools/dm_flags.json
index d0613ff04872874d5f2ff9253f9b7acc9a9e1928..7af09f06796ca0ada075fc6cf2452ecc3a1ca455 100644
--- a/tools/dm_flags.json
+++ b/tools/dm_flags.json
@@ -1,16 +1,9 @@
 {
   "Pretend-iOS-Bot": [
-    "--matrix", 
-    "0", 
-    "1", 
-    "1", 
-    "0", 
     "--config", 
     "565", 
     "8888", 
     "gpu", 
-    "upright-matrix-8888", 
-    "upright-matrix-gpu", 
     "pdf", 
     "pdf_poppler", 
     "serialize-8888", 
@@ -1923,17 +1916,10 @@
     "--noRAW_threading"
   ], 
   "Test-Mac10.8-Clang-MacMini4.1-CPU-SSE4-x86_64-Release": [
-    "--matrix", 
-    "0", 
-    "1", 
-    "1", 
-    "0", 
     "--config", 
     "565", 
     "8888", 
     "gpu", 
-    "upright-matrix-8888", 
-    "upright-matrix-gpu", 
     "msaa16", 
     "pdf", 
     "pdf_poppler", 
@@ -2155,21 +2141,13 @@
     "image-cacherator-from-ctable"
   ], 
   "Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Debug-MSAN": [
-    "--matrix", 
-    "0", 
-    "1", 
-    "1", 
-    "0", 
     "--config", 
     "565", 
     "8888", 
     "gpu", 
-    "upright-matrix-8888", 
-    "upright-matrix-gpu", 
     "f16", 
     "srgb", 
     "sp-8888", 
-    "twice-8888", 
     "2ndpic-8888", 
     "remote-8888", 
     "remote_cache-8888", 
@@ -2397,21 +2375,13 @@
     "~Shared"
   ], 
   "Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-TSAN": [
-    "--matrix", 
-    "0", 
-    "1", 
-    "1", 
-    "0", 
     "--config", 
     "565", 
     "8888", 
     "gpu", 
-    "upright-matrix-8888", 
-    "upright-matrix-gpu", 
     "f16", 
     "srgb", 
     "sp-8888", 
-    "twice-8888", 
     "2ndpic-8888", 
     "remote-8888", 
     "remote_cache-8888", 
@@ -2636,21 +2606,13 @@
     "image-cacherator-from-ctable"
   ], 
   "Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-Valgrind": [
-    "--matrix", 
-    "0", 
-    "1", 
-    "1", 
-    "0", 
     "--config", 
     "565", 
     "8888", 
     "gpu", 
-    "upright-matrix-8888", 
-    "upright-matrix-gpu", 
     "f16", 
     "srgb", 
     "sp-8888", 
-    "twice-8888", 
     "2ndpic-8888", 
     "remote-8888", 
     "remote_cache-8888", 
@@ -2897,17 +2859,10 @@
     "~Threaded"
   ], 
   "Test-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-Valgrind": [
-    "--matrix", 
-    "0", 
-    "1", 
-    "1", 
-    "0", 
     "--config", 
     "565", 
     "8888", 
     "gpu", 
-    "upright-matrix-8888", 
-    "upright-matrix-gpu", 
     "nvprmsaa16", 
     "msaa16", 
     "pdf", 
@@ -3232,17 +3187,10 @@
     "~Threaded"
   ], 
   "Test-Win7-MSVC-ShuttleA-GPU-HD2000-x86-Debug-ANGLE": [
-    "--matrix", 
-    "0", 
-    "1", 
-    "1", 
-    "0", 
     "--config", 
     "565", 
     "8888", 
     "gpu", 
-    "upright-matrix-8888", 
-    "upright-matrix-gpu", 
     "msaa16", 
     "pdf", 
     "pdf_poppler",