[test] Remove legacy presubmit test configs

NOTRY=true
R=sergiyb@chromium.org

Bug: chromium:901304
Change-Id: I343fa257f21afb4eff103b1bc52ba2bcb59fecc8
Reviewed-on: https://chromium-review.googlesource.com/c/1314573Reviewed-by: Sergiy Byelozyorov <sergiyb@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57215}

infra/testing/builders.pyl

@@ -695,11 +695,6 @@
       {'name': 'mozilla'},
     ],
   },
-  'V8 Linux - presubmit': {
-    'tests': [
-      {'name': 'presubmit'},
-    ],
-  },
   'V8 Linux - shared': {
     'tests': [
       {'name': 'mozilla'},
@@ -1524,7 +1519,6 @@
     },
     'tests': [
       {'name': 'mozilla'},
-      {'name': 'presubmit'},
       {'name': 'test262'},
       {'name': 'v8testing'},
     ],
@@ -1537,7 +1531,6 @@
     },
     'tests': [
       {'name': 'mozilla'},
-      {'name': 'presubmit'},
       {'name': 'test262'},
       {'name': 'v8testing', 'shards': 3},
     ],
@@ -1550,7 +1543,6 @@
     },
     'tests': [
       {'name': 'mozilla'},
-      {'name': 'presubmit'},
       {'name': 'test262'},
       {'name': 'v8testing'},
     ],
@@ -1563,7 +1555,6 @@
     },
     'tests': [
       {'name': 'mozilla'},
-      {'name': 'presubmit'},
       {'name': 'test262'},
       {'name': 'v8testing', 'shards': 3},
     ],