remove gortsplib check from release workflow (#1636)

.github/workflows/release.yml

@@ -6,24 +6,7 @@ on:
     - 'v*'
 
 jobs:
-  # make sure that gortsplib is updated
-  check_gortsplib:
-    runs-on: ubuntu-22.04
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - uses: actions/setup-go@v2
-      with:
-        go-version: "1.20"
-
-    - run: |
-        sed -i '/gortsplib/d' go.mod
-        go mod tidy
-        git diff --exit-code
-
   make_binaries:
-    needs: check_gortsplib
     runs-on: ubuntu-22.04
 
     steps: