[CQ] Temporarily remove gcc bot due to goma problems

BUG=chromium:626622
NOTRY=true
TBR=sergiyb@chromium.org

Review-Url: https://codereview.chromium.org/2134643002
Cr-Commit-Position: refs/heads/master@{#37605}

infra/config/cq.cfg

@@ -63,7 +63,7 @@ verifiers {
         name: "v8_linux_dbg_ng_triggered"
         triggered_by: "v8_linux_dbg_ng"
       }
-      builders { name: "v8_linux_gcc_compile_rel" }
+#      builders { name: "v8_linux_gcc_compile_rel" }
       builders { name: "v8_linux_mipsel_compile_rel" }
       builders { name: "v8_linux_mips64el_compile_rel" }
       builders { name: "v8_linux_nodcheck_rel_ng" }