Removes timeline command as it cannot be supported

Refs https://github.com/microsoft/vscode/issues/177319

package.json

@@ -9889,7 +9889,7 @@
 			"timeline/item/context": [
 				{
 					"command": "gitlens.openCommitOnRemote",
-					"when": "gitlens:enabled && gitlens:hasRemotes && timelineItem =~ /git:file:commit\\b/",
+					"when": "false && gitlens:enabled && gitlens:hasRemotes && timelineItem =~ /git:file:commit\\b/",
 					"group": "inline@99",
 					"alt": "gitlens.copyRemoteCommitUrl"
 				}