remove keywords because it breaks algolia

Author: yaythomas

content/docs/substitutions/format-string.md

@@ -4,7 +4,7 @@ linktitle: format string
 date: 2020-06-13T21:38:57+01:00
 description: String interpolation with substitution tokens are for easy value replacement inside a pipeline workflow. Works with complex types, not just strings.
 # categories: [expressions]
-keywords: "token replacement, string substitutions"
+# keywords: "token replacement, string substitutions"
 menu:
   docs:
     parent: substitutions

content/docs/substitutions/jsonify.md

@@ -4,7 +4,7 @@ title: jsonify
 date: 2020-06-13T21:38:57+01:00
 description: Serialize context object to json string
 # categories: [expressions]
-keywords: "json, serialize, convert"
+# keywords: "json, serialize, convert"
 menu:
   docs:
     parent: substitutions

content/docs/substitutions/py-strings.md

@@ -4,7 +4,7 @@ linktitle: py string
 date: 2020-06-13T21:38:57+01:00
 description: Evaluate dynamic python expressions in your pipeline steps and task automation sequences.
 # categories: [expressions]
-keywords: "dynamic expressions, pipeline execution"
+# keywords: "dynamic expressions, pipeline execution"
 menu:
   docs:
     parent: substitutions

content/docs/substitutions/sic-strings.md

@@ -4,7 +4,7 @@ linktitle: sic string
 date: 2020-06-13T21:38:57+01:00
 description: Literal string values that should not have formatting expressions applied, for simplified escape sequences.
 # categories: [expressions]
-keywords: "literal strings, pipeline execution"
+# keywords: "literal strings, pipeline execution"
 menu:
   docs:
     parent: substitutions