remove scan-build-ubuntu1404-clang task (#1247)

* format scan_build.py

* remove `scan-build-ubuntu1404-clang` task

It fails to clone libmongocrypt due to a certificate verification failure. The Ubuntu 14.04 distro is EOL.

Author: kevinAlbs

.evergreen/config_generator/components/scan_build.py

@@ -18,7 +18,6 @@
 # fmt: off
 MATRIX = [
     ('macos-1100',       'clang', None  ),
-    ('ubuntu1404',       'clang', None  ),
     ('ubuntu1604-arm64', 'clang', None  ),
     ('ubuntu1604',       'clang', 'i686'),
     ('ubuntu1604',       'clang', None  ),
@@ -83,7 +82,7 @@ def tasks():
 
     # TODO: remove once BUILD-16814 is resolved.
     for task in res:
-         if task.run_on == 'macos-1014':
+        if task.run_on == 'macos-1014':
             task.disable = True
 
     return res

.evergreen/generated_configs/tasks.yml

@@ -3304,14 +3304,6 @@ tasks:
         vars:
           CC: clang
       - func: upload scan artifacts
-  - name: scan-build-ubuntu1404-clang
-    run_on: ubuntu1404-large
-    tags: [scan-build-matrix, ubuntu1404, clang]
-    commands:
-      - func: scan-build
-        vars:
-          CC: clang
-      - func: upload scan artifacts
   - name: scan-build-ubuntu1604-arm64-clang
     run_on: ubuntu1604-arm64-large
     tags: [scan-build-matrix, ubuntu1604-arm64, clang]