Remove tabs from the OTEL test config files

cmd/opentelemetry/app/exporter/kafkaexporter/testdata/config.yaml

@@ -1,31 +1,30 @@
-receivers:	
-  examplereceiver:	
+receivers:
+  examplereceiver:
 
-processors:	
-  exampleprocessor:	
+processors:
+  exampleprocessor:
 
-exporters:	
-  kafka:	
-    topic: jaeger-prod	
-    encoding: emojis	
-    brokers: foo,bar	
-    auth:	
-      plain_text:	
-        username: user	
-        password: 123	
-      tls:	
-        ca_file: ca.crt	
-        key_file: key.crt	
-        cert_file: cert.crt	
-        insecure: true	
-      kerberos:	
-        realm: jaeger	
-        config_file: /etc/foo	
+exporters:
+  kafka:
+    topic: jaeger-prod
+    encoding: emojis
+    brokers: foo,bar
+    auth:
+      plain_text:
+        username: user
+        password: 123
+      tls:
+        ca_file: ca.crt
+        key_file: key.crt
+        cert_file: cert.crt
+        insecure: true
+      kerberos:
+        realm: jaeger
+        config_file: /etc/foo
 
-
-service:	
-  pipelines:	
-    traces:	
-      receivers: [examplereceiver]	
-      processors: [exampleprocessor]	
-      exporters: [kafka]
+service:
+  pipelines:
+    traces:
+      receivers: [examplereceiver]
+      processors: [exampleprocessor]
+      exporters: [kafka]

cmd/opentelemetry/app/receiver/kafkareceiver/testdata/config.yaml

@@ -1,29 +1,28 @@
-receivers:	
-  kafka:	
-    brokers: foo,bar	
-    topic: jaeger-prod	
-    encoding: emojis	
-    auth:	
-      plain_text:	
-        username: user	
-        password: 123	
-      tls:	
-        ca_file: ca.crt	
-        key_file: key.crt	
-        insecure: true	
-      kerberos:	
-        config_file: /etc/foo	
+receivers:
+  kafka:
+    brokers: foo,bar
+    topic: jaeger-prod
+    encoding: emojis
+    auth:
+      plain_text:
+        username: user
+        password: 123
+      tls:
+        ca_file: ca.crt
+        key_file: key.crt
+        insecure: true
+      kerberos:
+        config_file: /etc/foo
 
+processors:
+  exampleprocessor:
 
-processors:	
-  exampleprocessor:	
+exporters:
+  exampleexporter:
 
-exporters:	
-  exampleexporter:	
-
-service:	
-  pipelines:	
-    traces:	
-      receivers: [kafka]	
-      processors: [exampleprocessor]	
-      exporters: [exampleexporter]
+service:
+  pipelines:
+    traces:
+      receivers: [kafka]
+      processors: [exampleprocessor]
+      exporters: [exampleexporter]