chore: remove java 7 units check (#1465)

Source-Author: Neenu Shaji <Neenu1995@users.noreply.github.com>
Source-Date: Wed Jul 28 18:18:26 2021 -0400
Source-Repo: googleapis/synthtool
Source-Sha: 1a2878d6909dd10ca4e3c1b5943d6622e996054e
Source-Link: googleapis/synthtool@1a2878d

.github/workflows/ci.yaml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [7, 8, 11]
+        java: [8, 11]
     steps:
     - uses: actions/checkout@v2
     - uses: actions/setup-java@v1

synth.metadata

@@ -4,14 +4,14 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-bigquery.git",
-        "sha": "526c517f1940007e532c7e1f7e1fa01a985f30e2"
+        "sha": "0a8eac2b679cf3e330e7325452a09f99e352a380"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "09c59c20a4bf0daed1665af59035ff240fe356df"
+        "sha": "1a2878d6909dd10ca4e3c1b5943d6622e996054e"
       }
     }
   ],