Drop redundant libraries from baseline apexAvailable map

These libraries now set the correct apex_available in their Android.bp
files. Therefore, they do not a separate entry in the baseline
apexAvailable map.

Test: m nothing #passes
Bug: 281077552
Change-Id: Icf6b97c3bcc4bda96eefa14ba6d4bf10614bc378

apex/apex_test.go

@@ -1460,6 +1460,10 @@ func TestRuntimeApexShouldInstallHwasanIfLibcDependsOnIt(t *testing.T) {
 			sanitize: {
 				never: true,
 			},
+			apex_available: [
+				"//apex_available:anyapex",
+				"//apex_available:platform",
+			],
 		}	`)
 	ctx := result.TestContext
 
@@ -1508,6 +1512,10 @@ func TestRuntimeApexShouldInstallHwasanIfHwaddressSanitized(t *testing.T) {
 			sanitize: {
 				never: true,
 			},
+			apex_available: [
+				"//apex_available:anyapex",
+				"//apex_available:platform",
+			],
 		}
 		`)
 	ctx := result.TestContext