build: drop support for YAML configurations

phosphor-pid-control now only supports json configurations and no longer
builds from a YAML configuration.

Change-Id: I25fa7766399a1345dca89aac20e7b49caa46797e
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/examples/fan-info.json b/examples/fan-info.json
index 45afe3f..15c2d09 100644
--- a/examples/fan-info.json
+++ b/examples/fan-info.json
@@ -71,7 +71,7 @@
                     "inputs": ["fan1", "fan5"],
                     "setpoint": 90.0,
                     "pid": {
-                        "sampleperiod": 0.1,
+                        "samplePeriod": 0.1,
                         "proportionalCoeff": 0.0,
                         "integralCoeff": 0.0,
                         "feedFwdOffOffsetCoeff": 0.0,
@@ -90,7 +90,7 @@
                     "inputs": ["fan2", "fan6"],
                     "setpoint": 90.0,
                     "pid": {
-                        "sampleperiod": 0.1,
+                        "samplePeriod": 0.1,
                         "proportionalCoeff": 0.0,
                         "integralCoeff": 0.0,
                         "feedFwdOffOffsetCoeff": 0.0,
@@ -109,7 +109,7 @@
                     "inputs": ["fan3", "fan7"],
                     "setpoint": 90.0,
                     "pid": {
-                        "sampleperiod": 0.1,
+                        "samplePeriod": 0.1,
                         "proportionalCoeff": 0.0,
                         "integralCoeff": 0.0,
                         "feedFwdOffOffsetCoeff": 0.0,
@@ -128,7 +128,7 @@
                     "inputs": ["fan4", "fan8"],
                     "setpoint": 90.0,
                     "pid": {
-                        "sampleperiod": 0.1,
+                        "samplePeriod": 0.1,
                         "proportionalCoeff": 0.0,
                         "integralCoeff": 0.0,
                         "feedFwdOffOffsetCoeff": 0.0,
@@ -147,7 +147,7 @@
                     "inputs": ["fleeting0"],
                     "setpoint": 10,
                     "pid": {
-                        "sampleperiod": 1,
+                        "samplePeriod": 1,
                         "proportionalCoeff": 750.0,
                         "integralCoeff": 16.0,
                         "feedFwdOffOffsetCoeff": 0.0,