🐎 Remove --shard-timeout from webrtc recipes now that they are in wrapper scripts

scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_android32_tests__l_nexus7_2__dbg_.json

Index: scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_android32_tests__l_nexus7_2__dbg_.json
diff --git a/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_android32_tests__l_nexus7_2__dbg_.json b/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_android32_tests__l_nexus7_2__dbg_.json
index 683ce8854055fe044b2ada7e7a2950ecd06db176..68f83f3371fe402ed98d470cd3b76e97f3220c57 100644
--- a/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_android32_tests__l_nexus7_2__dbg_.json
+++ b/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_android32_tests__l_nexus7_2__dbg_.json
@@ -347,9 +347,7 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_audio_decoder_unittests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose",
-      "-t",
-      "900"
+      "--verbose"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -364,9 +362,7 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_common_audio_unittests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose",
-      "-t",
-      "900"
+      "--verbose"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -381,9 +377,7 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_common_video_unittests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose",
-      "-t",
-      "900"
+      "--verbose"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -398,9 +392,7 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_modules_tests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose",
-      "-t",
-      "900"
+      "--verbose"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -415,9 +407,7 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_modules_unittests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose",
-      "-t",
-      "900"
+      "--verbose"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -432,9 +422,7 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_peerconnection_unittests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose",
-      "-t",
-      "900"
+      "--verbose"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -449,9 +437,7 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_system_wrappers_unittests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose",
-      "-t",
-      "900"
+      "--verbose"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -466,9 +452,7 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_test_support_unittests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose",
-      "-t",
-      "900"
+      "--verbose"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -483,9 +467,7 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_tools_unittests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose",
-      "-t",
-      "900"
+      "--verbose"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -500,9 +482,7 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_video_engine_tests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose",
-      "-t",
-      "900"
+      "--verbose"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -517,9 +497,7 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_voice_engine_unittests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose",
-      "-t",
-      "900"
+      "--verbose"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -534,9 +512,7 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_webrtc_nonparallel_tests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose",
-      "-t",
-      "900"
+      "--verbose"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -551,9 +527,7 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_webrtc_perf_tests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose",
-      "-t",
-      "2700"
+      "--verbose"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {